They began to copulate, someone used spit to what?\nOptions:\n- lubricate\n- mark territory\n- kiss\n- procreation\n- release tension
Let's be accurate as possible. Think before you answer.
lubricate
Lubricating is the act of making something slippery to reduce friction.

Spit is a watery liquid.

Liquids are used to reduce friction between surfaces.

.

Therefore, the answer is lubricate