Assertion: rugby's player | /r/HasProperty | the hooker
Facets:
value: usually
type: DEGREE
Source sentences:
text: The ball is thrown from the touchline down the centre of the lines of forwards by a player (usually the hooker) from the team that did not play the ball into touch.
text: A player (usually the hooker) throws the ball into play as the forwards from both sides line up to receive the throw.
text: The most important players are the hooker, the two second rows and scrum-half.