Task: Question Answering
Input (English): Problem: susan finds that she spends her free time during summer vacation between swimming , reading , and hanging out with friends in a ratio of 1 : 4 : 10 . how many hours did she spend reading if she hung out with her friends for 20 hours ? 
Options: a ) 2 , b ) 4 , c ) 5 , d ) 8 , e ) 10
Output (English): d