Task: Question Answering
Input (English): Problem: in a certain business school class , p students are accounting majors , q students are finance majors , r students are marketing majors , and s students are strategy majors . if pqrs = 1365 , and if 1 < p < q < r < s , how many students in the class are marketing majors ? 
Options: a ) 3 , b ) 5 , c ) 7 , d ) 11 , e ) 17
Output (English): c