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").

[EX Q]: if a river ran through a region, what would be found close by? (A) land mass susceptible to water encroachment (B) active life coral reef (C) acid rain susceptible area (D) very active volcanic mountains
[EX A]: A

[EX Q]: A learned behavior is exhibited when a human displays that they can: (A) squinting in bright light (B) digesting food in the stomach (C) change a car tire (D) inhaling and exhaling during sleep
[EX A]: C

[EX Q]: A person who knows that they drove two hundred miles today can figure out how fast they went if they know how much time was spent (A) behind a horse (B) with ice cream (C) on the road (D) with windows down
[EX A]:
C