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: a can do a piece of work in 80 days and b in 100 days . they work together for 20 days and then b goes away . in how many days will a finish the remaining work ? 
Options: a ) 33 days , b ) 44 days , c ) 55 days , d ) 42 days , e ) 32 days

Output: b


Input: Consider 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

Output: d


Input: Consider Input: Problem: in a kilometer race , a beats b by 50 meters or 10 seconds . what time does a take to complete the race ? 
Options: a ) 50 sec , b ) 190 sec , c ) 287 sec , d ) 74 sec , e ) 697 sec


Output: b