Assertion: house | /r/HasAspect | roof
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Houses have a roof to keep off the rain and sun, and walls to keep out the wind and cold.
text: The walls need good protection from the rain, so houses like this often have roofs that have big "eaves"; the roof sticks out all around the house so that the water does not run down the walls.