Assertion: cat | /r/CapableOf | purr at same frequency
Facets:
value: as an idling diesel engine
type: MANNER
value: as about 26 cycles per second
type: TEMPORAL
Source sentences:
text: Cats purr at the same frequency as an idling diesel engine (26 purrs per second).
text: Cats purr at the same frequency as an idling diesel engine, about 26 cycles per second.