Assertion: plesiosaur's limb | /r/CapableOf | remain motionless
Facets:
value: relatively
type: DEGREE
value: in the water
type: LOCATION
Source sentences:
text: In that case, the rear limbs may have been rudders, paddles and/or stabilizers, especially to control the position of the body and head while remaining relatively motionless in the water during feeding.