Task: Question Answering
Input (English): Problem: from an island , it is possible to reach the mainland by either ferry p or ferry q . ferry p travels for 3 hours at 8 kilometers per hour , while ferry q takes a route that is three times longer . if ferry p is slower than ferry q by 1 kilometer per hour , how many hours longer is the journey of ferry q compared with the journey of ferry p ? 
Options: a ) 5 , b ) 7 , c ) 8 , d ) 10 , e ) 12
Output (English): a