Observers may express doubts.Logical formLearned from20 sentences. Someone may express concern.Logical formLearned from20 sentences. (Administration officials) may express optimism.Logical formLearned from20 sentences. A president may express dismay.Logical formLearned from20 sentences. A male may express emotion.Logical formLearned from20 sentences. A person may express reluctance.Logical formLearned from20 sentences. A government of a country may express concern.Logical formLearned from20 sentences. A person may express interest.Logical formLearned from20 sentences. A letter may express a concern.Logical formLearned from20 sentences. An official may express concerns.Logical formLearned from20 sentences. Some percent may express disapproval.Logical formLearned from20 sentences. A political-leader may express regret.Logical formLearned from20 sentences. An elected-representative may express doubts.Logical formLearned from20 sentences. Officials may express sympathy.Logical formLearned from20 sentences. A student may express interest.Logical formLearned from20 sentences.