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: A frog would most likely eat (A) a cockroach (B) another frog (C) a maple leaf (D) a mouse

SOLUTION: A

PROBLEM: Once the grounds frost over and the air grows chilled (A) beaches are opened (B) humans go naked (C) birds lay eggs (D) roses die

SOLUTION: D

PROBLEM: What is used to catch prey by some birds? (A) a bill (B) fire (C) nets (D) cups

SOLUTION:
A