Assertion: pigeon | /r/HasAspect | monocular vision
Facets:
Source sentences:
text: As pigeons have monocular vision rather than binocular vision they bob their heads for depth of perception.
text: As a pigeons have monocular vision rather than binocular vision they bob their heads for depth of perception.
text: As pigeons have monocular vision rather than binocular vision they bob their heads for depth of perception.