You should get a good night sleep
When we are little we see the way our parents or elders act and that tells our brain that is the correct way to act. As we grow up the things they tell us we will become is what we think will happen and so we do that in fear that we will disappoint them.
Certificate of Medical Necessity (CMN)
The answer is A. "Tennis."
Tennis is generally not a sport played as a "team." It usually consists of two people playing one on one.