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'.

Ex 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

Ex Output:
e


Ex Input:
Problem: in what time will a train 100 metres long cross an electric pole , if its speed be 144 km / hr ? 
Options: a ) 2.5 sec , b ) 4.25 sec , c ) 5 sec , d ) 12.5 sec , e ) none

Ex Output:
a


Ex Input:
Problem: the food in a camp lasts for 20 men for 50 days . if 20 more men join , how many days will the food last ? 
Options: a ) 22 days , b ) 25 days , c ) 28 days , d ) 16 days , e ) 27 days

Ex Output:

b