Definition: Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
Input: Problem: the mass of 1 cubic meter of a substance is 500 kilograms under certain conditions. what is the volume, in cubic centimeters, of 1 gram of this substance under these conditions ? ( 1 kilogram = 1,000 grams and 1 cubic meter = 1, 000,000 cubic centimeters )
Options: a. 0.8, b. 1.25, c. 2.0, d. 2.5, e. 80.0
Output:
c