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: in what time will a railway train 80 m long moving at the rate of 40 kmph pass a telegraph post on its way ? 
Options: a ) 3 , b ) 5 , c ) 4 , d ) 6.4 , e ) 7.2

Output: e


Input: Consider Input: Problem: the length of the longest tape in cm which can be used to measure exactly , the length 7 m ; 3 m 85 cm ; and 12 m 95 cm is : 
Options: a ) 37 , b ) 35 , c ) 34 , d ) 36 , e ) 38

Output: b


Input: Consider Input: Problem: the distance between two cities a and b is 600 km . a train starts from a at 8 a . m . and travel towards b at 60 km / hr . another train starts from b at 9 a . m and travels towards a at 75 km / hr . at what time do they meet ? 
Options: a ) 09 am , b ) 07 am , c ) 01 pm , d ) 05 pm , e ) 03 pm


Output: c