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Term 1: Term 2:

(subclass OpticalDevice Device) Mid-level-ontology.kif 2493-2493 Optical device is a subclass of device
(subclass EyeGlass OpticalDevice) Mid-level-ontology.kif 2505-2505 Eye glass is a subclass of optical device
(subclass Lens OpticalDevice) Mid-level-ontology.kif 2510-2510 Lens is a subclass of optical device
(subclass Microscope OpticalDevice) Mid-level-ontology.kif 2515-2515 Microscope is a subclass of optical device


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