TASK DEFINITION: You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.
PROBLEM: Sentence: A piece of cardboard is more flexible then a stone slab. Question: Which item will be more likely to break if bent? (A) cardboard (B) stone slab

SOLUTION: stone slab

PROBLEM: Sentence: Franklin found that if he slides a turtle on its back across a pool table, it slides farther than if he were to slide the turtle across a pile of leaves. He realizes this because there is less resistance on the pool table. Question: The difference in the length that the turtle slides across both surfaces can be attributed to which surface being rougher? (A) pool table (B) pile of leaves

SOLUTION: pile of leaves

PROBLEM: Sentence: A tree trunk is thicker then a tree leaf. Question: Which part of the tree is the stronger one? (A) leaf (B) trunk

SOLUTION:
trunk