Task: Question Answering
Input (English): Problem: there are some birds in cage , 1 / 3 rd fly away . then 2 / 5 th of the remaining left the cage , then 2 / 3 rd of the remaining left the cage . at last 8 were remaining . how many birds were in total ? 
Options: a ) 60 , b ) 27 , c ) 28 , d ) 26 , e ) 91
Output (English): a