Assertion: balsa | /r/HasProperty | perfect material choice
Facets:
value: for surfboards
type: PURPOSE
value: for these disposable models
type: TRANSITIVE-OBJECT
Source sentences:
text: Because it is readily available and easily worked using simple tools, balsa was the perfect material choice for these disposable models.
text: Being light and strong, balsa wood was long considered a perfect material for surfboards.