Assertion: mantis | /r/CapableOf | produce sound
Facets:
value: by rubbing their underwings
type: MANNER
Source sentences:
text: Mantises have been known to produce sounds by rubbing their underwings and abdomen or simply scrapping but they do this in order to display threats.
text: Scientists long ago assumed that the mantis must be deaf, since it doesn’t make any sound or respond to sound like other insects.