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: Consider Input: Problem:. 005 / ? =. 01
Options: a.. 5, b.. 05, c.. 005, d.. 0005, e. none of them

Output: a


Input: Consider Input: Problem: if a / b = 1 / 3, b / c = 2, c / d = 1 / 2, d / e = 3 and e / f = 1 / 10, then what is the value of abc / def ?
Options: a. 27 / 4, b. 27 / 8, c. 3 / 4, d. 3 / 20, e. 1 / 4

Output: d


Input: Consider Input: Problem: a local elementary school has 1049 students and 9 teachers, how many students would have to be added to the school to make sure each teacher has the same amount of students in their classroom ?
Options: a. 4, b. 6, c. 5, d. 1, e. 2


Output: a