TASK DEFINITION: In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
PROBLEM: which of these people would be most susceptible to disease? (A) a person with a healthy white blood cell (B) a person with optimal conditions (C) a person with a weak white blood cell (D) an athlete with a clean bill of health

SOLUTION: C

PROBLEM: Two ships grazing each other as they pass will (A) cause mayhem (B) sink them (C) speed them up (D) slow them down

SOLUTION: D

PROBLEM: The pressure in air drops very low, so clouds (A) flood (B) sink (C) precipitate (D) melt

SOLUTION:
C