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: How does erosion impact a river? (A) enlargening (B) warming (C) heightening (D) shrinking

SOLUTION: A

PROBLEM: A boy that has two legs and two arms has parents that have (A) nearly an arm and a leg (B) the same number limbs (C) their left arms only (D) one right leg each

SOLUTION: B

PROBLEM: The world changes over time, and an example of this could be (A) sand covering a beach front (B) a lake hosting hundreds of fish (C) cities buried under lava rock (D) seas having saltwater in them

SOLUTION:
C