Attitudes may be expressed.Logical formLearned from13 sentences. A letter may express concerns.Logical formLearned from13 sentences. Preferences may be expressed.Logical formLearned from13 sentences. Some persons may express dismay.Logical formLearned from13 sentences. Some members of a legislature may express concerns.Logical formLearned from13 sentences. Some countries may express a concern.Logical formLearned from13 sentences. A president may express a disappointment.Logical formLearned from13 sentences. Observers may express skepticism.Logical formLearned from13 sentences. Some researcher may express concern.Logical formLearned from13 sentences. A desire may be expressed.Logical formLearned from13 sentences. Staff may express a view.Logical formLearned from13 sentences. A month may express concern.Logical formLearned from13 sentences. Ministers may express optimism.Logical formLearned from13 sentences. (Administration officials) may express frustration.Logical formLearned from13 sentences. A male may express a bitterness.Logical formLearned from13 sentences.