Task: Question Answering
Input (English): Problem: an equal number of desks and bookcases are to be placed along a library wall that is 15 meters long . each desk is 2 meters long , and each bookshelf is 1.5 meters long . if the maximum possible number of desks and bookcases are to be placed along the wall , then the space along the wall that is left over will be how many meters q long ? 
Options: a ) 0.5 , b ) 1 , c ) 1.5 , d ) 2 , e ) 3
Output (English): b