Assertion: magpie | /r/CapableOf | sit on their backs
Facets:
Source sentences:
text: Bison carrion was an important food source and the live animals carry ticks, which magpies dined upon while sitting on their backs.
text: Magpies collect ticks from the skins of large animals, sitting down on their backs.
text: Magpies collect ticks from the skins of large animals, sitting on their backs.
text: Magpies collect ticks from the skins of large animals, sitting down on their backs.