Drivers can be frustrated.Logical formLearned from130 sentences. Efforts can be frustrated.Logical formLearned from130 sentences. A writer can be frustrated.Logical formLearned from126 sentences. Supporters can be frustrated.Logical formLearned from124 sentences. A growl can be frustrated.Logical formLearned from120 sentences. A look can be frustrated.Logical formLearned from117 sentences. A groan can be frustrated.Logical formLearned from115 sentences. A female may feel frustrated.Logical formLearned from109 sentences. An artist can be frustrated.Logical formLearned from107 sentences. Legislators can be frustrated.Logical formLearned from106 sentences. Attempts can be frustrated.Logical formLearned from106 sentences. Workers can be frustrated.Logical formLearned from104 sentences. A country can be frustrated.Logical formLearned from102 sentences. A desire can be frustrated.Logical formLearned from96 sentences. Consumers can be frustrated.Logical formLearned from95 sentences.