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.

Ex Input:
Problem: an industrial loom weaves 0.128 metres of cloth every second. approximately, how many seconds will it take for the loom to weave 25 metre of cloth ?
Options: a. 194 seconds, b. 195 seconds, c. 196 seconds, d. 197 seconds, e. none of these

Ex Output:
b

Ex Input:
Problem: if a no. when divided by 44, gives 432 as quotient and 0 as remainder. what will be the remainder when dividing thesame no. by 31
Options: a. 2, b. 4, c. 5, d. 7, e. 8

Ex Output:
c

Ex Input:
Problem: in how many years rs 100 will produce the same interest at 5 % as rs. 600 produce in 4 years at 10 %
Options: a. 44, b. 52, c. 50, d. 46, e. 48

Ex Output:
e