Task: Question Answering
Input (English): Problem: n people were sitting on a circular manner , if each of two present in the party except the pairs were adjacent sang a song , if a song lasted for 2 mins and 28 minutes was taken for singing song , find n 
Options: ['a ) 11', 'b ) 12', 'c ) 13', 'd ) 14', 'e ) 15']
Output (English): d