In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Example Input: Problem: a jeep takes 3 hours to cover a distance of 440 km . how much should the speed in kmph be maintained to cover the same direction in 1 / 2 th of the previous time ? 
Options: a ) 48 kmph , b ) 252 kmph , c ) 293 kmph , d ) 263 kmph , e ) 265 kmph
Example Output: c

Example Input: Problem: a car travels at a speed of 12 miles per hour . how far will it travel in 5 hours ? 
Options: a ) 50 miles , b ) 60 miles , c ) 72 miles , d ) 22 miles , e ) 62 miles
Example Output: b

Example Input: Problem: the radius of a wheel is 22.4 cm . what is the distance covered by the wheel in making 1250 resolutions ? 
Options: a ) 1277 m , b ) 1760 m , c ) 1278 m , d ) 1288 m , e ) 1378 v
Example Output:
b