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maximum aperture (subgroup of aperture) → HasProperty → f/2.8	0.68
maximum aperture (subgroup of aperture) → IsA → f/3.5	0.68
lens (aspect of camera) → HasA → maximum aperture	0.55
maximum aperture (subgroup of aperture) → IsA → f/4	0.52
maximum aperture (subgroup of aperture) → HasProperty → important	0.25