Assertion: silk | /r/HasProperty | animal fibre
Facets:
Source sentences:
text: Silk , animal fibre produced by certain insects and arachnids as building material for cocoons and webs, some of which can be used to make fine fabrics.
text: Silk is an animal textile made from the fibres of the cocoon of the Chinese silkworm which is spun into a smooth fabric prized for its softness.