Assertion: polymer | /r/HasProperty | natural
Facets:
Source sentences:
text: Some polymers are natural and made by organisms.
text: Some polymers are natural.
text: The key difference between polymer and plastic is that the polymer can be either natural or synthetic whereas the plastic is a synthetic polymer.
text: The key difference between polymer and plastic is that polymers can be either natural or synthetic whereas plastic is a synthetic polymer.
text: The key difference between polymer and plastic is that the polymers can be either natural or synthetic whereas the plastic is a synthetic polymer.