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Term 1: Term 2:

(subclass Earphone Device) Mid-level-ontology.kif 24072-24072 Earphone is a subclass of device
(subclass Earphone ElectricSpeakerDevice) ComputerInput.kif 528-528 Earphone is a subclass of ElectricSpeakerDevice
(subclass Earphone WearableItem) ComputerInput.kif 529-529 Earphone is a subclass of wearable item

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