2 reduced adjective clauses and two appositives

1. The man who is wearing black suit is my friend from California.

   -The man who is wearing black suit is my friend from California.

2. The professor who is teaching English is very nice.

    -The professor who is teaching English is very nice.

3. Baseball, his favorite sport, has brought him a lot of good friends.

4. Mr. Mason, my new coach, teaches me tennis.