Concern can be over the economy.Logical formLearned from186 sentences. Concerns can be substantive.Logical formLearned from185 sentences. A person may have some concern.Logical formLearned from185 sentences. Privacy can be a concern.Logical formLearned from185 sentences. Concern can be over a decision.Logical formLearned from185 sentences. Concerns may help.Logical formLearned from185 sentences. Concerns can be for health.Logical formLearned from185 sentences. Signs can be constituted-of-or-filled-with concern.Logical formLearned from184 sentences. Concerns can be petty.Logical formLearned from184 sentences. Concern may spread that something-is-the-case.Logical formLearned from184 sentences. Concerns may weigh on sentiment.Logical formLearned from184 sentences. A concern may pertain-to a legislature.Logical formLearned from183 sentences. Concern can be about an effect.Logical formLearned from183 sentences. (Security concerns) can be serious.Logical formLearned from183 sentences. A female may raise concerns.Logical formLearned from182 sentences.