Assertion: cockroach's blood | /r/HasProperty | red
Facets:
value: because of the iron in hemoglobin
type: CAUSE
Source sentences:
text: Human blood is red because of the iron in hemoglobin.
text: The blood of mammals is red, the blood of insects is yellow, and the blood of lobsters is blue.
text: Even though the veins under your skin appear blue, the blood inside them is red.
text: Deoxygenated blood is still red, just a darker shade.