Assertion: thatch | /r/HasProperty | dried type of grass
Facets:
value: to form a strong roofing material
type: PURPOSE
Source sentences:
text: Thatch in its simplest form is a dried type of grass interwoven to form a strong roofing material which is popular in holiday homes and delivers three main advantages: individualistic décor, superb insulation in all seasons and, compared with tile roofing, is comparatively cheap.