Why is grooming often recommended to greasy teens?
Options:
- neatness
- selfishness
- mistakes
- cleanliness
- satisfaction
Step-by-step reasoning process below:

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
Teens is referred to people in their teenage. Greasy means oils and sticky. Greasy teens means teens with oils and sticky faces. Oily and sticky means not clean. Grooming themselves makes one clean. cleanliness means the quality of being clean. The answer: cleanliness.