A lens can be built-in.Logical formLearned from64 sentences. A (camera unit) may be protected by a (lens cover).Logical formLearned from64 sentences. An end may pertain-to a lens.Logical formLearned from64 sentences. A lens can be soft.Logical formLearned from63 sentences. A (lens cap) may pertain-to a person.Logical formLearned from61 sentences. A lens may pertain-to an experience.Logical formLearned from61 sentences. A (zoom lens) can be powerful.Logical formLearned from61 sentences. An other side may pertain-to a lens.Logical formLearned from61 sentences. A (contact lens) can be soft.Logical formLearned from60 sentences. A lens can be for a camera.Logical formLearned from59 sentences. A lens can be sharp.Logical formLearned from59 sentences. A person may have a lens.Logical formLearned from58 sentences. A part may pertain-to a lens.Logical formLearned from58 sentences. Light may pass through a lens.Logical formLearned from57 sentences. A lens may undergo a clouding.Logical formLearned from57 sentences.