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Component Semantics:
- Be-Open
- Definition: an object is opened
- Required slot: object
- Restriction: exactly 1 Portal-Covering
- Restriction: the Portal-Covering is-part-of a Tangible-Entity
- WordNet 1.6 Synsets: open#1, open#5, opened#1
- WordNet 1.6 Synsets: unfastened#2
The Open action puts an object into
the Be-Open state while at the same time taking the object out of
the Be-Closed state. The action Close
does the exact opposite.