Concerns can be about an impact.Logical formLearned from747 sentences. Concern may be expressed.Logical formLearned from740 sentences. Some issues can be constituted-of-or-filled-with concern.Logical formLearned from732 sentences. A range can be constituted-of-or-filled-with concerns.Logical formLearned from724 sentences. Concerns may pertain-to persons.Logical formLearned from719 sentences. Concerns can be about an outlook.Logical formLearned from709 sentences. A reason can be for concern.Logical formLearned from706 sentences. Concerns may pertain-to a US-city.Logical formLearned from701 sentences. Concerns can be about safety.Logical formLearned from700 sentences. Some area can be constituted-of-or-filled-with concern.Logical formLearned from697 sentences. Concerns can be regional.Logical formLearned from686 sentences. Concerns can be about a country.Logical formLearned from683 sentences. A concern can be personal.Logical formLearned from677 sentences. Persons may have some concerns.Logical formLearned from675 sentences. Concerns can be shared.Logical formLearned from673 sentences.