Task: Question Answering
Input (English): Problem: a train travelling at 48 kmph completely crosses another train having half its length and travelling in opposite direction at 42 kmph , in 12 seconds . it also passes a railway platform in 45 seconds . the length of the platform is 
Options: a ) 400 m , b ) 450 m , c ) 560 m , d ) 600 m , e ) 680 m
Output (English): d