Assertion: otter | /r/AtLocation | den
Facets:
Source sentences:
text: Most otters live in dens — built by other animals, such as beavers — that are dug into the ground that have many channels and dry inner chambers.
text: Most otters live in dens built by other animals, such as beavers that are dug into the ground that have many channels and dry inner chambers.
text: These otters live in dens dug in riverbanks, and have one or two offspring each year.
text: Otters live in dens they dig on the banks of waterways, building long tunnels to create underwater entrances.