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: an industrial loom weaves 0.128 metres of cloth every second . approximately , how many seconds will it take for the loom to weave 26 metre of cloth ? 
Options: a ) 175 seconds , b ) 195 seconds , c ) 155 seconds , d ) 115 seconds , e ) 203 seconds
Example Output: e

Example Input: Problem: what is the length of a bridge ( in meters ) , which a train 156 meters long and travelling at 45 km / h can cross in 30 seconds ? 
Options: a ) 203 , b ) 211 , c ) 219 , d ) 227 , e ) 235
Example Output: c

Example Input: Problem: what is the least number of squares tiles required to pave the floor of a room 6 m 75 cm long and 4 m 5 cm broad ? 
Options: a ) 15 , b ) 20 , c ) 40 , d ) 44 , e ) 54
Example Output:
a