Assertion: jellyfish | /r/CapableOf | control vertical movements
Facets:
value: by closing
type: MANNER
value: by opening
type: MANNER
Source sentences:
text: The bell shape of the Jellyfish explains why they can control vertical movements but not those that are horizontal.
text: Jellyfish move mostly with the ocean's current, but they can control their vertical movement by opening and closing their bell-shaped bodies.