Assertion: glider's flight | /r/HasProperty | startling
Facets:
value: frequently
type: TEMPORAL
Source sentences:
text: Supersonic flight is associated with the formation of shock waves that form a sonic boom that can be heard from the ground, and is frequently startling.
text: Supersonic flight is associated with the formation of shock waves that form a sonic boom that can be heard from the ground, and is frequently startling.