Assertion: aquarium | /r/HasProperty | maintained
Facets:
value: much more
type: DEGREE
value: regularly
type: DEGREE
Source sentences:
text: An aquarium must be maintained regularly to ensure that the fish are kept healthy.
text: aquariums are much more stable and water changes may not need to take place if the nitrogen cycle has fully established itself in the tank, although this is a controversial statement among aquarists.