Assertion: oboe's octave key | /r/ObjectUse | used as vent
Facets:
value: through g#
type: MANNER
value: for second-octave e
type: TEMPORAL
value: for various third-octave notes
type: PURPOSE
Source sentences:
text: The first octave key is pressed by the thumb and is used as a vent for second-octave E through G# and for various third-octave notes.