Assertion: mexican thatch | /r/HasProperty | useful material
Facets:
value: for making rain capes
type: PURPOSE
value: because of its water-resistant properties
type: CAUSE
value: historically
type: TEMPORAL
Source sentences:
text: Because of its water-resistant properties, Mexican thatch was also historically a useful material for making rain capes, a forerunner to a modern-day rain jacket or poncho.