Detailed Instructions: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Problem:Fact1: a balance is used for measuring mass of an object, Fact2: Bears are proportionally weighted for use on a balance for measurement discoveries., Question: Bears are proportionally weighted on a balance for discovering what? (A) size (B) traits (C) mass (D) age (E) energy (F) forces (G) SNPs (H) shape
Solution:
C