Assertion: ballooning | /r/HasProperty | safe
Facets:
Source sentences:
text: Ballooning is safe, he said, because it's so simple.
text: Ballooning can be tranquil, beautiful, fun, or exciting, and it is a sport with a unique culture all its own.
text: Weber said while every activity had its risks, ballooning was "one of the safest means of flying in existence.