Context: The text below describes a pair of opposing forces. Opposing forces act on an object in opposite directions. Read the text. Then answer the question below.
Jill and her dog, Sparky, are stopped while on a walk. Sparky sees a squirrel and tugs on his leash. Think about two of the forces that act on the leash:
Sparky pulls forward.
Jill pulls backward.
As Sparky pulls on the leash, what is the direction of the opposing force?
A. backward
B. forward
Answer with the option's letter from the given choices directly.

A