You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.

Ex Input:
Question: What percent of 60 is 70?

 Option A: 133 1⁄3

 Option B: 75

 Option C: 60

 Option D: 33 1⁄3

 Option E: 116.66

Ex Output:
Option E


Ex Input:
Question: A company consists of 5 senior and 3 junior staff officers. If a committee is created with 3 senior and 1 junior staff officers, in how many ways can the committee be formed?

 Option A: 12

 Option B: 30

 Option C: 45

 Option D: 80

 Option E: 200

Ex Output:
Option B


Ex Input:
Question: A man rows his boat 85 km downstream and 45 km upstream, taking 2 1/2 hours each time. Find the speed of the stream?

 Option A: 1 kmph

 Option B: 6 kmph

 Option C: 5 kmph

 Option D: 8 kmph

 Option E: 7 kmph

Ex Output:

Option D