Instructions: 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: in a t. v. factory, an average of 63 tvs are produced per day for the fist 25 days of the months. a few workers fellill for the next 5 daysreducing the daily avg for the month to 58 sets / day. the average production per day for day last 5 days is ?
Options: a. 35, b. 33, c. 48, d. 50, e. 52
Output:
b