Concern can be to a person.Logical formLearned from893 sentences. A concern can be continued.Logical formLearned from876 sentences. A deal can be constituted-of-or-filled-with concern.Logical formLearned from873 sentences. Concerns can be in a country.Logical formLearned from871 sentences. A lack can be constituted-of-or-filled-with concern.Logical formLearned from861 sentences. A concern can be increased.Logical formLearned from851 sentences. Concerns can be about a program.Logical formLearned from833 sentences. Concern may undergo an expression.Logical formLearned from816 sentences. Concern can be about a situation.Logical formLearned from815 sentences. A concern can be profound.Logical formLearned from794 sentences. Concerns can be valid.Logical formLearned from791 sentences. A concern can be valid.Logical formLearned from791 sentences. A person may understand a concern.Logical formLearned from781 sentences. Concern can be for safety.Logical formLearned from766 sentences. Concerns can be about safety.Logical formLearned from757 sentences.