A concern can be understandable.Logical formLearned from230 sentences. Grounds can be for concern.Logical formLearned from229 sentences. Concerns may be heard.Logical formLearned from227 sentences. Areas can be constituted-of-or-filled-with concern.Logical formLearned from226 sentences. A concern can be for safety.Logical formLearned from226 sentences. Concern can be over a program.Logical formLearned from226 sentences. Concerns may mount.Logical formLearned from225 sentences. Concerns can be about stability.Logical formLearned from224 sentences. A concern can be universal.Logical formLearned from224 sentences. A concern can be reasonable.Logical formLearned from222 sentences. Concerns can be about a war.Logical formLearned from221 sentences. Concerns can be over ambitions.Logical formLearned from221 sentences. A statement can be constituted-of-or-filled-with concern.Logical formLearned from220 sentences. A concern can be pastoral.Logical formLearned from220 sentences. Causes can be for concern.Logical formLearned from219 sentences.