Assertion: shark's position | /r/HasProperty | vertical
Facets:
Source sentences:
text: Sharks don't have a swim bladder like most other fish, so they regulate their vertical position by moving forward.
text: Sharks don't have a swim bladder like most other fish, so they regulate their vertical position by moving forward.
text: This occurs when they are in a vertical position.
text: Whale sharks are always seen feeding in a vertical or near vertical position with the head at or near the surface.