Danger may undergo perceptions.Logical formLearned from18 sentences. A pain may undergo a perception.Logical formLearned from18 sentences. Persons may have perception.Logical formLearned from18 sentences. An issue can be a perception.Logical formLearned from18 sentences. A perception may pertain-to an employer.Logical formLearned from18 sentences. Changes can be in perception.Logical formLearned from18 sentences. A perception can be in a mind.Logical formLearned from18 sentences. Perceptions can be varied.Logical formLearned from18 sentences. Illness may undergo a perception.Logical formLearned from18 sentences. A principle may apply to perceptions of a country.Logical formLearned from18 sentences. An organization may undergo perceptions.Logical formLearned from18 sentences. Heat may undergo a perception.Logical formLearned from18 sentences. Interests may undergo a perception.Logical formLearned from18 sentences. A writer may undergo a perception.Logical formLearned from17 sentences. Individuals may undergo a perception.Logical formLearned from17 sentences.