Task: Question Answering
Input (English): Problem: john and amanda stand at opposite ends of a straight road and start running towards each other at the same moment. their rates are randomly selected in advance so that john runs at a constant rate of 3, 4, or 5 miles per hour and amanda runs at a constant rate of 3, 4, 5, 6, or 7 miles per hour. what is the probability that john has traveled farther than amanda by the time they meet ?
Options: a. 1 / 2, b. 1 / 3, c. 1 / 5, d. 2 / 15, e. 4 / 15
Output (English): c