Assertion: angelfish's tank | /r/HasProperty | preferred
Facets:
value: due to their swimming near the bottom
type: CAUSE
value: most of the time
type: TEMPORAL
Source sentences:
text: Blue angelfish should be kept in a large aquarium, at least 100 gallons (about 378 liters), though a larger tank is preferred.
text: A tank that is longer, rather than taller is preferred due to their swimming near the bottom most of the time.