Task: Question Answering
Input (English): Problem: in the biotechnology class of 2000 , there were x graduates . 32 of the graduates found a job , 45 continued on to their second degree and 13 did both . if only 9 people did n ' t do both , what is x equal to ? 
Options: a ) 69 . , b ) 71 , c ) 73 , d ) 75 , e ) 76
Output (English): c