Contraries may undergo a perception.Logical formLearned from6 sentences. Man may undergo perceptions.Logical formLearned from6 sentences. A scientist may undergo a perception.Logical formLearned from6 sentences. Perceptions can be impaired.Logical formLearned from6 sentences. A term may undergo perceptions.Logical formLearned from6 sentences. Significance may undergo a perception.Logical formLearned from6 sentences. A perception may begin.Logical formLearned from6 sentences. (Health status) may undergo perceptions.Logical formLearned from6 sentences. A perception can be in a region.Logical formLearned from6 sentences. A perception may be addrest.Logical formLearned from6 sentences. Perceptions can be difficult.Logical formLearned from6 sentences. Perceptions can be adverse.Logical formLearned from6 sentences. Results may undergo a perception.Logical formLearned from6 sentences. A staff may undergo perceptions.Logical formLearned from6 sentences. Pattern may undergo a perception.Logical formLearned from6 sentences.