Answer:
The answer is 1. or "Juan besa la mano de su novia."
Explanation:
This translates to "Juan kisses the hand of his girlfriend," as opposed to the incorrect alternative meaning the same thing, but adding a conditional "a" would make the sentence more intimate toward her hand when it shouldn't be
de que hablas :V? a que te refieres con esto
Look. I'm a native Spanish speaker,. The answer is Yo amo a mi familia