Concern may be raised.Logical formLearned from261 sentences. Concerns can be obvious.Logical formLearned from260 sentences. Members may express concern.Logical formLearned from259 sentences. A need can be for concern.Logical formLearned from259 sentences. Stocks may fall on concern.Logical formLearned from258 sentences. A person may express concerns.Logical formLearned from256 sentences. A man may express concern.Logical formLearned from256 sentences. Concerns may pertain-to parents.Logical formLearned from256 sentences. Concern can be to an international community.Logical formLearned from255 sentences. Concern may undergo chemicals.Logical formLearned from255 sentences. A concern may pertain-to a government-agency.Logical formLearned from255 sentences. Concerns may pertain-to an international community.Logical formLearned from254 sentences. A state-department may express concern.Logical formLearned from253 sentences. Concerns can be over (interest rates).Logical formLearned from251 sentences. A report may raise concerns.Logical formLearned from250 sentences.