Task: Question Answering
Input (English): Problem: two cars are driving toward each other . the first car is traveling at a speed of 100 km / h , which is 20 % slower than the second car ' s speed . if the distance between the cars is 1125 km , how many hours will it take until the two cars meet ? 
Options: a ) 4 , b ) 4.5 , c ) 4.8 , d ) 5 , e ) 5.5
Output (English): d