In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Example Input: Problem: a certain industrial loom weaves 0.126 meters of cloth every second . approximately how many seconds will it take for the loom to weave 15 meters of cloth ?
Options: a ) 114 , b ) 115 , c ) 116 , d ) 117 , e ) 119
Example Output: e

Example Input: Problem: a garrison of 1850 men has provisions for 28 days . at the end of 12 days , a reinforcement arrives , and it is now found that the provisions will last only for 10 days more . what is the reinforcement ?
Options: a ) 1850 , b ) 2960 , c ) 3000 , d ) 1110 , e ) 1712
Example Output: d

Example Input: Problem: a and b can do a piece of work in 6 days . with the help of c they finish the work in 4 days . c alone can do that piece of work in ?
Options: a ) 10 days , b ) 20 days , c ) 25 days , d ) 15 days , e ) 45 days
Example Output:
b