A (depth perception) may pertain-to persons.Logical formLearned from9 sentences. A perception can be black.Logical formLearned from9 sentences. Legitimacy may undergo perceptions.Logical formLearned from9 sentences. Perceptions may pertain-to a user.Logical formLearned from9 sentences. Features may undergo a perception.Logical formLearned from9 sentences. A perception may occur.Logical formLearned from9 sentences. A land may undergo perceptions.Logical formLearned from9 sentences. Responsibility may undergo a perception.Logical formLearned from9 sentences. Potential threats may undergo a perception.Logical formLearned from9 sentences. Interests may undergo perceptions.Logical formLearned from9 sentences. A perception can be among persons.Logical formLearned from9 sentences. A perception can be one-sided.Logical formLearned from9 sentences. An activity may undergo a perception.Logical formLearned from9 sentences. A plan may undergo a perception.Logical formLearned from9 sentences. A perception can be esthetic.Logical formLearned from9 sentences.