A locution can be stiff.Logical formLearned from6 sentences. A censure can be stiff.Logical formLearned from6 sentences. An (excise tax) can be stiff.Logical formLearned from6 sentences. A slap can be stiff.Logical formLearned from6 sentences. Beat can be stiff.Logical formLearned from6 sentences. Springs can be stiff.Logical formLearned from6 sentences. (Business suits) can be stiff.Logical formLearned from6 sentences. Appearances can be stiff.Logical formLearned from6 sentences. Targets can be stiff.Logical formLearned from6 sentences. A public may be impressed by stiff upper lips.Logical formLearned from6 sentences. A situation can be stiff.Logical formLearned from6 sentences. A (plastic patio chair) can be stiff.Logical formLearned from6 sentences. Wages can be stiff.Logical formLearned from6 sentences. A jello can be stiff.Logical formLearned from6 sentences. A campaign can be stiff.Logical formLearned from6 sentences.