Task: Question Answering
Input (English): Problem: danny and steve are running towards each other, each one from his own house. danny can reach steve ' s house in 27 minutes of running, which is half the time it takes steve to reach danny ' s house. if the two started to run at the same time, how much time longer will it take steve to reach the halfway point between their houses than danny to reach the halfway point between their houses ?
Options: a. 13.5 minutes, b. 27 minutes, c. 35 minutes, d. 54 minutes, e. 81 minutes
Output (English): a