Handshakes can be stiff.Logical formLearned from19 sentences. Drinks can be stiff.Logical formLearned from19 sentences. A condemnation can be stiff.Logical formLearned from19 sentences. Shirts can be stiff.Logical formLearned from18 sentences. An atmosphere can be stiff.Logical formLearned from18 sentences. A kick can be stiff.Logical formLearned from18 sentences. A back may get stiff.Logical formLearned from18 sentences. A steering can be stiff.Logical formLearned from18 sentences. Wires can be stiff.Logical formLearned from18 sentences. A wrist can be stiff.Logical formLearned from18 sentences. A person may be frozen stiff.Logical formLearned from18 sentences. A denim can be stiff.Logical formLearned from18 sentences. (Head winds) can be stiff.Logical formLearned from18 sentences. A (jail sentence) can be stiff.Logical formLearned from18 sentences. Mandatory-minimum sentences can be stiff.Logical formLearned from18 sentences.