Sellers can be frustrated.Logical formLearned from17 sentences. Noise can be frustrated.Logical formLearned from17 sentences. A staff can be frustrated.Logical formLearned from17 sentences. An elected-representative can be frustrated.Logical formLearned from17 sentences. Feelings can be frustrated.Logical formLearned from17 sentences. A middle class can be frustrated.Logical formLearned from17 sentences. Villagers can be frustrated.Logical formLearned from17 sentences. Lawmakers can be frustrated.Logical formLearned from17 sentences. Troops can be frustrated.Logical formLearned from17 sentences. A passenger can be frustrated.Logical formLearned from17 sentences. An athlete can be frustrated.Logical formLearned from17 sentences. A reporter can be frustrated.Logical formLearned from17 sentences. Friends can be frustrated.Logical formLearned from17 sentences. Teams can be frustrated.Logical formLearned from17 sentences. Persons may feel frustrated.Logical formLearned from16 sentences.