Assertion: polar bear | /r/AtLocation | captivity
Facets:
Source sentences:
text: Some zoos have kept polar bears in an enclosure, but they are not providing them with the natural environment that they need, which is why polar bears that are kept in captivity have deteriorated health and their size is smaller since they do not get the proper nutrition that they require.
text: Those polar bears that are kept in captivity in warmer places such as zoos will usually have their fur turned into a pale shade of green.