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'.

Input: Consider Input: Problem: it is currently 7 : 05 pm . what time was it in the morning exactly 51,132 minutes ago ? 
Options: a ) 6 : 53 , b ) 6 : 55 , c ) 6 : 59 , d ) 7 : 03 , e ) 7 : 09

Output: a


Input: Consider Input: Problem: how many seconds will a train 110 meters long take to cross a bridge 150 meters long if the speed of the train is 36 kmph ? 
Options: a ) 28 sec , b ) 23 sec , c ) 24 sec , d ) 25 sec , e ) 26 sec

Output: e


Input: Consider Input: Problem: in order to fence a square manish fixed 48 poles . if the distance between two poles , is 1 metres then what will be the area of the square so formed ? 
Options: a ) 144 cm 2 , b ) 260 cm 2 , c ) 2500 cm 2 , d ) 302 cm 2 , e ) none of these


Output: a