(Contact lenses) may pertain-to a male.Logical formLearned from151 sentences. Lenses can be colored.Logical formLearned from149 sentences. Lenses may pertain-to a female.Logical formLearned from144 sentences. Lenses may be designed.Logical formLearned from144 sentences. Lenses may have (leaf shutters).Logical formLearned from140 sentences. Lenses may be made smaller.Logical formLearned from137 sentences. Lenses may pertain-to glasses.Logical formLearned from129 sentences. A range can be constituted-of-or-filled-with lenses.Logical formLearned from123 sentences. Variety can be constituted-of-or-filled-with lenses.Logical formLearned from121 sentences. Lenses can be disposable.Logical formLearned from119 sentences. (Macro lenses) can be specialized.Logical formLearned from117 sentences. Lenses can be in a class.Logical formLearned from117 sentences. Lenses may undergo a close-focusing.Logical formLearned from116 sentences. Some (macro lenses) can be sharp.Logical formLearned from116 sentences. A person may switch between lenses.Logical formLearned from116 sentences.