Definition: 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: a team p of 20 engineers can complete work or task in 32 days. another team q of 16 engineers can complete same task in 30 days. then the ratio of working capacity of 1 member of p to the 1 member of q is a. 3: 2
Options: a. 22, b. 34, c. 77, d. 29, e. 21
Output:
b