Consider the question. The teenagers were celebrating irresponsibly, what were they doing?
Options:
- drinking
- lude behavior
- happiness
- intimacy
- enjoyment
 What is the step-by-step reasoning process to arrive at the answer: drinking?

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
Drinking is an action. Teenagers indulge in drinking. Celebrating irresponsibly can involve drinking. Drinking involves alcohol.