Legs may tighten around a male.Logical formLearned from16 sentences. Hands may tighten around a waist.Logical formLearned from16 sentences. Muscles may tighten around fingers.Logical formLearned from16 sentences. A neck may tighten.Logical formLearned from16 sentences. Hands may tighten around a neck.Logical formLearned from16 sentences. An administration may tighten restrictions.Logical formLearned from16 sentences. A law may tighten an embargo.Logical formLearned from16 sentences. A stranglehold may tighten.Logical formLearned from16 sentences. A gut may tighten.Logical formLearned from16 sentences. A mouth may tighten into a line.Logical formLearned from16 sentences. A country may tighten measures.Logical formLearned from16 sentences. Security may be tightened around compounds.Logical formLearned from16 sentences. Procedures may be tightened.Logical formLearned from16 sentences. Governments may tighten security.Logical formLearned from16 sentences. An international-political-entity may tighten security.Logical formLearned from16 sentences.