Assertion: water lily's stem | /r/HasProperty | hollow
Facets:
value: towards the bulb
type: TRANSITIVE-OBJECT
value: in the upper portion
type: LOCATION
Source sentences:
text: The stems are hollow and filled with gases to help get the unfurling leaf up to the surface.
text: The central stem of the plant is hollow.
text: The stem is hollow in the upper portion but towards the bulb is more solid and filled with a spongy material.