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.

Input: Consider Input: Question: A river 5m deep and 19 m wide is flowing at the rate of 4 kmph the amount of water that runs into the sea per minute is?

 Option A: 4500

 Option B: 6333

 Option C: 6576

 Option D: 6345

 Option E: 2882

Output: Option B


Input: Consider Input: Question: A machine puts c caps on bottles in m minutes. How many seconds will it take to put caps on b bottles?

 Option A: 60bm/c

 Option B: bm/60c

 Option C: bc/60m

 Option D: 60b/cm

 Option E: b/60cm

Output: Option A


Input: Consider Input: Question: If x and y are integers such that x^2-4x+2y+6=2x^2-5x+y-6, we can deduce that y is

 Option A: not an even

 Option B: an even

 Option C: a perfect square

 Option D: an odd

 Option E: a prime


Output: Option B