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: find the length of the longest pole that can be placed in an indoor stadium 24 m long , 18 m wide and 16 m high
Options: a ) 31 , b ) 32 , c ) 33 , d ) 34 , e ) 35

Ex Output:
d

Ex Input:
Problem: a trader sells 92 meters of cloth for rs . 9890 at the profit of rs . 24 per metre of cloth . what is the cost price of one metre of cloth ?
Options: a ) 22 , b ) 89.5 , c ) 76.9 , d ) 83.5 , e ) 11

Ex Output:
d

Ex Input:
Problem: a cube of side one meter length is cut into small cubes of side 20 cm each . how many such small cubes can be obtained ?
Options: a ) 2878 , b ) 2778 , c ) 1000 , d ) 120 , e ) 125

Ex Output:
e