Assertion: snorkel's mouthpiece | /r/AtLocation | position
Facets:
value: well
type: OTHER
value: by the teeth
type: OTHER
Source sentences:
text: The diver is in sync afloat, sometimes even several seconds after having re-emerged, the mouthpiece well held in position by the teeth is completely emptied, the mouth does not flood because it behaves like a glass placed vertically with the bottom