Assertion: piranha's fish | /r/CapableOf | form a territory of their own
Facets:
value: without too much disturbance
type: MANNER
Source sentences:
text: Furthermore, the water quality must be perfect (zero ammonia and nitrates, excellent pH and a temperature of about 82 degrees), and the tank must be large enough for the fish to be able to pair off and form a territory of their own, without too much disturbance.