Task: Question Answering
Input (English): Question: Two men A and B start from place X walking at 4 ½ kmph and 5 ¾ kmph respectively. How many km apart they are at the end of 5 ½ hours if they are walking in the same direction?

 Option A: 7 km

 Option B: 6 km

 Option C: 6 7/8 km

 Option D: 9 km

 Option E: 5 km
Output (English): Option C