Edward was running as fast as he could. He could hear Jacob's footsteps close behind him. He tried to run faster, but it was no use. Within seconds, Jacob was by his side, and then ahead of him. A moment later, both boys collapsed under the old oak tree in front of the school.
What were Edward and Jacob doing?
How do you know?
A. Racing.
B. Playing tag.
C. Training for a marathon.
D. Playing a sport.