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: the l. c. m of two numbers is 495 and their h. c. f is 5. if the sum of the numbers is 100, then their difference is
Options: a. 19, b. 10, c. 28, d. 27, e. 29

Output: b


Input: Consider Input: Problem: if n = 2 ^ 0.15 and n ^ b = 1, b must equal
Options: a. 3 / 80, b. 20 / 3, c. 4, d. 5 / 3, e. 80 / 3

Output: b


Input: Consider Input: Problem: in a class, 10 students like to play basketball and 8 like to play cricket. 4 students like to play on both basketball and cricket. how many students like to play basketball or cricket or both ?
Options: a. 12, b. 15, c. 16, d. 18, e. 14


Output: e