Costs may undergo perceptions.Logical formLearned from4 sentences. Regulation may undergo a perception.Logical formLearned from4 sentences. A perception may pertain-to surveyors.Logical formLearned from4 sentences. Patients can be with perception.Logical formLearned from4 sentences. A step can be toward changing a perception.Logical formLearned from4 sentences. Readiness may undergo perceptions.Logical formLearned from4 sentences. A military-or-other-action-organization may undergo a perception.Logical formLearned from4 sentences. Realities may undergo perceptions.Logical formLearned from4 sentences. Perception may count for a lot.Logical formLearned from4 sentences. A perception can be a basis.Logical formLearned from4 sentences. Research may undergo perceptions.Logical formLearned from4 sentences. (Crime problems) may undergo a perception.Logical formLearned from4 sentences. Citizens may regard a perception of (crime problems).Logical formLearned from4 sentences. (Police performance) may undergo perceptions.Logical formLearned from4 sentences. A perception can be a concern.Logical formLearned from4 sentences.