A person can be concerned.Logical formLearned from18 305 sentences. A person can be concerned that something-is-the-case.Logical formLearned from10 280 sentences. Persons can be concerned that something-is-the-case.Logical formLearned from8 458 sentences. A male can be concerned that something-is-the-case.Logical formLearned from7 526 sentences. Persons can be concerned.Logical formLearned from6 814 sentences. A male can be concerned.Logical formLearned from6 030 sentences. Citizens can be concerned.Logical formLearned from4 497 sentences. Parties can be concerned.Logical formLearned from4 019 sentences. Investors can be concerned that something-is-the-case.Logical formLearned from2 045 sentences. A female can be concerned that something-is-the-case.Logical formLearned from2 017 sentences. A female can be concerned.Logical formLearned from1 913 sentences. Officials can be concerned that something-is-the-case.Logical formLearned from1 682 sentences. A country can be concerned that something-is-the-case.Logical formLearned from1 522 sentences. Parents can be concerned.Logical formLearned from1 383 sentences. A citizen can be concerned.Logical formLearned from994 sentences.