Answer:
the last option
Explanation:
this is because newton's third law of motion states that if body A exerts a force on body B, then body B will exert an equal amount of force in the opposite direction
this explains why the person exerts a force on the chair by sitting down so the chair will also exert an equal force back onto the person
hope this helps, I think I am bit late, sorry
please mark it brainliest if helpful
