Assertion: plesiosaur's flipper | /r/HasProperty | moved to downward
Facets:
value: obliquely
type: MANNER
value: ideally
type: MANNER
Source sentences:
text: Ideally, the flipper is first moved obliquely to the front and downwards and then, after a slight retraction and rotation, crosses this path from below to be pulled to the front and upwards.