Assertion: american cockroach's wing | /r/HasProperty | tough
Facets:
value: quite
type: DEGREE
value: often
type: DEGREE
Source sentences:
text: The wings of the roaches are often quite tough and sturdy, so they also act as a shield.
text: The wings in front are tough and leathery, while the smaller wings behind them have more of a glassy, hyaline appearance.