Task: Question Answering
Input (English): Problem: a trailer carries 3 , 4 and 5 crates on a trip . each crate weighs no less than 1250 kg . what is the maximum weight of the crates on a single trip ? 
Options: a ) 1250 , b ) 6250 , c ) 600 , d ) 7500 , e ) 375
Output (English): b