Rule: Vocabulary of Lifestyles. If doctors advise 'exercise and a healthier diet', the patient's current lifestyle must be inactive. 'Sedentary' means (of a way of life) characterized by much sitting and little physical exercise. This is the correct term. Options (a) 'active', (b) 'energetic', and (d) 'vigorous' are all antonyms and describe the lifestyle the doctors were recommending.

Rule: Vocabulary of Health. A 'secondary infection' is a negative development that would make a patient's condition worse. 'Deteriorate' means to become progressively worse. This is the correct medical term for the patient's decline. Options (a) 'improve', (b) 'ameliorate' (make better), and (d) 'recover' are all antonyms.

Rule: Literary/Rhetorical Devices. A situation where the outcome is the opposite of what was intended is known as irony. 'Irony' is a state of affairs or an event that seems deliberately contrary to what one expects and is often amusing as a result. The policy hurting those it was meant to help is a perfect example of situational irony. Options (a) 'beauty', (b) 'benefit', and (d) 'success' are all contradicted by the outcome.

Rule: Vocabulary of Conflict. A prolonged, bitter quarrel between families or groups is called a feud. 'Feud' is a state of prolonged and bitter hostility between two families or other groups. This is the precise term for the situation described. Options (a) 'truce', (c) 'accord', and (d) 'pact' are all words for agreements or cessations of hostility.

Rule: Vocabulary of Believability. A story 'full of contradictions and inconsistencies' is not believable or reasonable. 'Plausible' means (of an argument or statement) seeming reasonable or probable. The sentence states the story was NOT plausible. Options (b) 'credible', (c) 'consistent', and (d) 'coherent' are all similar in meaning and also fit, but plausible is a very common word in this context, contrasting an unbelievable story with a believable one.

Rule: Vocabulary of Slogans. A phrase like 'Innovation for a Better Tomorrow' that encapsulates a company's beliefs or ideals is called a motto. 'Motto' is a short sentence or phrase chosen as encapsulating the beliefs or ideals guiding an individual, family, or institution. Options (a) 'critique', (b) 'libel', and (c) 'slander' are all negative terms related to criticism or defamation and make no sense in this context.

Rule: Vocabulary of Rulers. A 'cruel' ruler who uses 'fear and intimidation' is known as a tyrant. 'Tyrant' is a cruel and oppressive ruler. This word perfectly fits the description. Options (a) 'benefactor' (one who gives help), (b) 'democrat' (one who believes in democracy), and (d) 'humanitarian' (one who works to help people) are all positive terms for rulers or leaders.

Rule: Legal/Formal Vocabulary. The sentence describes a situation where the bulk of the evidence, though not conclusive, suggests one conclusion. 'Preponderance' means the quality or fact of being greater in number, quantity, or importance. 'Preponderance of the evidence' is a specific legal standard of proof where the evidence is more likely than not to be true. Options (a) 'paucity', (b) 'scarcity', and (d) 'lack' all mean there is not enough evidence, which contradicts the first part of the sentence.

Rule: Vocabulary of Support. A person who 'donates millions' to support the arts is known as a patron. 'Patron' is a person who gives financial or other support to a person, organization, cause, or activity. This is the correct term. Options (a) 'critic', (b) 'detractor', and (d) 'opponent' are all words for people who oppose or speak out against something.

Rule: Economic Vocabulary. Cutting interest rates is a monetary policy tool used to encourage borrowing and spending, with the goal of increasing economic activity. 'Stimulate' means to encourage development, interest, or activity in (something). This is the correct economic term for this action. Options (a) 'stifle', (b) 'hamper', and (d) 'inhibit' are all verbs that mean to hinder or prevent growth.