Responses can be stiff.Logical formLearned from2 sentences. A civility can be stiff.Logical formLearned from2 sentences. A stillness can be stiff.Logical formLearned from2 sentences. A boss can be stiff.Logical formLearned from2 sentences. A rubber can be stiff.Logical formLearned from2 sentences. An effect can be stiff.Logical formLearned from2 sentences. A sweater can be stiff.Logical formLearned from2 sentences. A wall can be stiff.Logical formLearned from2 sentences. Upper lips can be stiff.Logical formLearned from2 sentences. Fathers can be stiff.Logical formLearned from2 sentences. A person may lay stiff as a board.Logical formLearned from2 sentences. Actors can be stiff.Logical formLearned from2 sentences. A (leather catch) can be stiff.Logical formLearned from2 sentences. Wads can be stiff.Logical formLearned from2 sentences. A monologue can be stiff.Logical formLearned from2 sentences.