Task: Question Answering
Input (English): Problem: nicky and cristina are running a 500 meter race . since cristina is faster than nicky , she gives him a 12 second head start . if cristina runs at a pace of 5 meters per second and nicky runs at a pace of only 3 meters per second , how many seconds will nicky have run before cristina catches up to him ? 
Options: a ) 50 , b ) 45 , c ) 40 , d ) 35 , e ) 30
Output (English): e