Task: Question Answering
Input (English): Problem: two friends plan to walk along a 22 - km trail , starting at opposite ends of the trail at the same time . if friend p ' s rate is 20 % faster than friend q ' s , how many kilometers will friend p have walked when they pass each other ? 
Options: a ) 10 , b ) 11 , c ) 12 , d ) 13 , e ) 14
Output (English): c