Assertion: caravan | /r/UsedFor | sale
Facets:
value: from each of the three positions
type: OTHER
value: to change its value
type: PURPOSE
Source sentences:
text: A caravan is 'for sale' when it's value is in the range 21 to 26.
text: Cards may be added to a caravan that is already for sale to change its value.
text: When at least one caravan is for sale from each of the three positions the game is over, and the player with two or more of the higher sales wins the game.