Task: Question Answering
Input (English): 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 â ½ days , b ) 1 â ½ days , c ) 8 â ½ days , d ) 5 â ½ days , e ) 2 â ½ days
Output (English): b