Assertion: pangolin's scale | /r/HasProperty | same material
Facets:
Source sentences:
text: They are largely covered in scales made of keratin—the same material as human fingernails—which gives them the nickname "scaly anteater.
text: Their scales are made of keratin—the same stuff that makes up human hair and fingernails.
text: The scales are made from keratin, the same thing as human hair and fingernails.
text: The scales are made of keratin; the same material out of which our fingernails are made.
text: Their scales are made out of keratin, the same material that composes our nails and hair.