James and Judy are preparing to copulate. In order to ensure that things go smoothly, they engage in foreplay. What might they start by doing?
Options:
- kiss
- lubricate
- sleep
- procreation
- sexual release Let's think step by step:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Kissing is the act of caressing with one's lips. Foreplay is a sexual activity that precedes intercourse. Caressing with lips is sexual. So, the answer is kiss.