Assertion: octopus's sucker | /r/HasProperty | controlled
Facets:
value: independently
type: MANNER
value: individually
type: MANNER
Source sentences:
text: Each sucker can be individually controlled and even folded over in a pinching gesture.
text: The tentacle consists of a thick central nerve cord (which must be thick to allow each sucker to be controlled independently) surrounded by circular and radial muscles.