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: how many integers are between 6 and 74 / 5, inclusive ?
Options: a. 4, b. 5, c. 6, d. 7, e. 9

Output: e


Input: Consider Input: Problem: the average age of 8 men increases by 2 years when two women are included in place of two men of ages 20 and 22 years. find the average age of the women ?
Options: a. 87, b. 98, c. 30, d. 29, e. 37

Output: d


Input: Consider Input: Problem: if 63 percent of a class answered the first question on a certain test correctly, 50 percent answered the second question on the test correctly, and 20 percent answered neither of the questions correctly, what percent answered both correctly ?
Options: a. 24 %, b. 27 %, c. 30 %, d. 33 %, e. 36 %


Output: d