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: at 15: 00 there were 22 students in the computer lab. at 15: 03 and every three minutes after that, 3 students entered the lab. if at 15: 10 and every ten minutes after that 8 students left the lab, how many students were in the computer lab at 15: 44 ?
Options: a. 7, b. 14, c. 25, d. 27, e. 32

Output: e


Input: Consider Input: Problem: bottle r contains 350 capsules and costs $ 6.25. bottle t contains 130 capsules and costs $ 2.99. what is the difference between the cost per capsule for bottle r and the cost per capsule for bottle t ?
Options: a. $ 0.25, b. $ 0.12, c. $ 0.0052, d. $ 0.003, e. $ 0.002

Output: c


Input: Consider Input: Problem: machine a takes 50 hours to complete a certain job and starts that job at 6 am. after four hour of working alone, machine a is joined by machine b and together they complete the job at 1 pm. how long would it have taken machine b to complete the job if it had worked alone for the entire job ?
Options: a. 9, b. 88.88, c. 4.88, d. 2.88, e. 3.88


Output: e