Assertion: volleyball's player | /r/HasProperty | the server
Facets:
Source sentences:
text: A serve is called an "ace" when the ball lands directly onto the court or travels outside the court after being touched by an opponent; when the only player on the server's team to touch the ball is the server.
text: Of the 6 players 3 are to the front and 3 to the back, with the back player at the left being the server.