Assertion: noise canceling headphone | /r/HasProperty | necessary
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: The noise-canceling headphones are sometimes necessary for work, but they are also necessary because I live in a one-bedroom apartment with two cellos.
text: The noise-canceling headphones are sometimes necessary for work, but they are also necessary because I live in a one-bedroom apartment with two cellos.