Assertion: magpie's belly | /r/HasProperty | white
Facets:
Source sentences:
text: Belly, flanks and rump are white.
text: The head, breast and back are black, the shoulders patches, belly and flanks are white.
text: They have white bellies, shoulders, and white wing patches visible during flight.
text: Breast, belly and the underside of the rump are white.