<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
What does the phrase "if there's grass on the field, play ball" mean in the context of human sexual maturity?
<|assistant|>
The phrase "if there's grass on the field, play ball" is an expression that refers to human sexual maturity. It is often used to imply that if two people are physical and emotional ready for sexual activity, it is okay to engage in it.