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: If a Bus is travelling at a speed of 45 kmph, crosses a pole in 1 sec, then the length of train is?

 Option A: 12 m

 Option B: 12.3 m

 Option C: 12.5 m

 Option D: 12.8 m

 Option E: 13 m

Ex Output:
Option C


Ex Input:
Question: In a test, sixty percent students passed in Maths and 65% in History, 40% passed in both of these subjects. If 90 students failed in maths and history both, then what is the total number of students?

 Option A: 600

 Option B: 650

 Option C: 700

 Option D: 750

 Option E: None of these

Ex Output:
Option A


Ex Input:
Question: Which of the following describes all values of x for which 2–x^2 >= 0?

 Option A:  x >= 1

 Option B:  x <= –1

 Option C:  0 <= x <= 2

 Option D:  x <= –1 or x >= 1

 Option E:  –2 <= x <= 2

Ex Output:

Option E