Assertion: mole's tunnel system | /r/HasProperty | built by naked mole rats
Facets:
Source sentences:
text: The tunnel systems built by naked mole rats can stretch up to two or three miles in cumulative length.
text: The tunnel systems built by naked mole rats can stretch up to two or three miles in cumulative length.
text: The tunnel systems built by naked mole rats can stretch up to two or three miles in cumulative length.