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").
--------
Question: Adding salt to liquid decreases what? (A) light (B) energy (C) magnetism (D) thawing temp

Answer: D


Question: A shoe seems gold and green at first, then at second glance looks blue and silver. This could be due to (A) interrogation (B) comas (C) refractions (D) cellulite

Answer: C


Question: The teacher at the front of the classroom was reading from a laptop.  For a student in the middle of the class, the teacher's laptop looked larger than (A) the projector screen behind the teacher (B) a laptop held by a student walking outside the window (C) the student's own laptop (D) a neighboring student laptop

Answer:
B