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Term 1: Term 2:

(subclass Earphone Device) Mid-level-ontology.kif 26048-26048 Earphone is a subclass of device
(subclass Earphone ElectricSpeakerDevice) ComputerInput.kif 502-502 Earphone is a subclass of electric speaker device
(subclass Earphone WearableItem) ComputerInput.kif 503-503 Earphone is a subclass of wearable item


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