Please answer the following question by reasoning step-by-step. If "A tennis player is serving the ball on a grass court." does that mean that "A tennis player is playing the final set in a large tournament."?
Options:
- yes
- it is not possible to tell
- no. Step-by-step reasoning:
Serving a ball does not imply playing the final set in a large tournament. So the answer is it is not possible to tell.