You and Your Friend Put the Palms of Your Hands

Multiple Choice

You and your friend put the palms of your hands together and push equally on each other so your hands don't move. Which law(s) does this follow Choose the best answer.
I. Newton's first
II. Newton's second
III) Newton's third
IV) Newton's law of gravitation

A) I, III
B) II, IV
C) I, II, III, IV
D) III