A concern may pertain-to a company.Logical formLearned from152 sentences. Persons may have concerns.Logical formLearned from152 sentences. Concerns may pertain-to members.Logical formLearned from152 sentences. A concern can be a security.Logical formLearned from152 sentences. Part of a concern can be that something-is-the-case.Logical formLearned from151 sentences. Concern can be over an ability.Logical formLearned from151 sentences. A concern may be expressed.Logical formLearned from151 sentences. Concern can be about safety.Logical formLearned from150 sentences. A concern can be for some persons.Logical formLearned from150 sentences. Concern can be about demand.Logical formLearned from150 sentences. Concern may ease.Logical formLearned from150 sentences. A concern can be to a male.Logical formLearned from149 sentences. Concern may help.Logical formLearned from149 sentences. Concern can be high.Logical formLearned from149 sentences. Concerns may pertain-to regulators.Logical formLearned from149 sentences.