Context: Isaac Newton was born in the 1600s and studied how objects move. He discovered three fundamental laws about forces and motion. According to Newton's third law, for every force, there is an equal and opposite force.
Consider the following force:
A bar magnet is pushing on a disc magnet.
According to Newton's third law, what other force must be happening?
A. The disc magnet is pulling on the bar magnet.
B. The disc magnet is pushing on the bar magnet.
Select the correct answer from the provided options and reply with the letter associated with it.

B