Assertion: balloon | /r/HasProperty | tethered
Facets:
value: from the ground
type: LOCATION
value: a few feet
type: OTHER
Source sentences:
text: The balloon, which was tethered, flew for 9 hours.
text: Apparently believing the balloon to be tethered a few feet from the ground, the family starts screaming in distress when it floats off into the sky.