Assertion: vampire's blood | /r/HasProperty | human
Facets:
Source sentences:
text: Some vampires don’t ingest human blood but claim to feed off the energy of others.
text: A vampire must feed on blood to survive — preferably human blood — although they can subsist on animal blood.
text: Most vampires have some human blood in them, but a Pureblood vampire does not.
text: It was possible to determinate if a vampire had recently drunk human blood with an electronic system, similar to a VIH control.
text: Vampires feed on human blood while zombies feed on human brains.