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.

Example Input: Question: An escalator moves towards the top level at the rate of 11 ft.sec and its length is 140 feet. If a person walks on the moving escalator at the rate of 3 feet per second towards the top level, how much time does he take to cover the entire length.

 Option A: 14 sec

 Option B: 10 sec

 Option C: 12 sec

 Option D: 8 sec

 Option E: 5 sec
Example Output: Option B

Example Input: Question: Two trains of equal are running on parallel lines in the same direction at 45 km/hr and 36 km/hr. The faster train passes the slower train in 36 sec. The length of each train is?

 Option A: 45

 Option B: 88

 Option C: 66

 Option D: 55

 Option E: 22
Example Output: Option A

Example Input: Question: Two girls started running simultaneously around a circular track of length 1200 m from the same point at speeds of 30 km/hr and 50 km/hr. When will they meet for the first time any where on the track if they are moving in opposite directions?

 Option A: 50

 Option B: 51

 Option C: 52

 Option D: 53

 Option E: 54
Example Output:
Option E