Task: Question Answering
Input (English): Problem: there is a train and car . the ratio between the speed of a train & a car is 16 : 15 respectively . also , a bus covered a distance of 320 km in 5 hours . the speed of the bus is 4 / 5 th of the speed of the train . how many kilometers will the car cover in 7 hours ? 
Options: a ) 375 , b ) 425 , c ) 475 , d ) 525 , e ) 575
Output (English): d