Assertion: diver's ascent | /r/HasProperty | option
Facets:
value: in open water
type: LOCATION
value: always
type: DEGREE
Source sentences:
text: There is little that can go wrong with the function other than flooding, leaking and running out of gas, both of which are obvious to the user, and there is no risk of decompression sickness, so emergency free ascent to the surface is always an option in open water.