Task: Question Answering
Input (English): Problem: a train consists of 48 boxcars pulled by 2 engines . the boxcars are 15 meters long and the two engines are each 20 meters long . it crosses over a highway 24 meters wide at a speed of 14 m / s . how long does it take for the entire train to cross ? 
Options: a ) 56 sec , b ) 63 sec , c ) 72 sec , d ) 81 sec , e ) 88 sec
Output (English): a