Definition: 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: Problem: a and b can do a piece of work in 6 2 / 3 days and 5 days respectively . they work together for 2 days and then a leaves . in how many days after that b will complete the work alone .
Options: a ) 6 a days , b ) 1 a days , c ) 8 a days , d ) 5 a days , e ) 2 a days
Output:
b