instruction:
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").
question:
Rubber can protect from (A) cold (B) burns (C) electricity (D) fire
answer:
C


question:
What is one thing cloud precipitation can be? (A) a thunder boom (B) a liquid fire (C) unfavorable weather outlook (D) none of these
answer:
C


question:
Which rock is a fingernail harder than? (A) Copper (B) Graphite (C) Calcite (D) Quartz
answer:

B