Detailed 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.
Problem:Problem: how many multiples of 3 are there between 10 and 100, exclusive ?
Options: a. 30, b. 29, c. 28, d. 31, e. 33
Solution:
a