Assertion: lamprey's fish | /r/CapableOf | use energy
Facets:
value: actively
type: MANNER
value: to move the fluid
type: PURPOSE
value: in order to use active ventilation
type: PURPOSE
Source sentences:
text: In order to use active ventilation, a fish must actively use energy to move the fluid; however, determining this energy cost is normally complicated due to the movement of the fish when using either method.