A goal may tighten a match.Logical formLearned from5 sentences. A US-city may tighten an embargo.Logical formLearned from5 sentences. Security may be tightened around a team.Logical formLearned from5 sentences. (Security precautions) may be tightened.Logical formLearned from5 sentences. Russian forces may tighten a grip on a (breakaway republic).Logical formLearned from5 sentences. Troops may tighten a cordon.Logical formLearned from5 sentences. A nation may tighten a belt.Logical formLearned from5 sentences. A US-city may tighten procedures.Logical formLearned from5 sentences. Legislation may tighten regulations on a market.Logical formLearned from5 sentences. Officials may tighten (security measures).Logical formLearned from5 sentences. A country may tighten as a factor.Logical formLearned from5 sentences. Persons may tighten arrangements.Logical formLearned from5 sentences. A party may tighten a grip on politics.Logical formLearned from5 sentences. Tools can be for tightenning monetary policy.Logical formLearned from5 sentences. A security-council may tighten controls.Logical formLearned from5 sentences.