Legislation may tighten an (economic embargo).Logical formLearned from5 sentences. A president may tighten screws some half-notch.Logical formLearned from5 sentences. A spread may tighten.Logical formLearned from5 sentences. Rider may tighten a girth on a saddle.Logical formLearned from5 sentences. Pursestrings may be tightened.Logical formLearned from5 sentences. A ring may be tightened.Logical formLearned from5 sentences. Comeback may tighten security.Logical formLearned from5 sentences. Security may be tightened at (government buildings).Logical formLearned from5 sentences. A US-city may tighten a noose.Logical formLearned from5 sentences. Controls may be tightened.Logical formLearned from5 sentences. Central banks may tighten.Logical formLearned from5 sentences. Skin may tighten.Logical formLearned from5 sentences. Regulation may be tightened.Logical formLearned from5 sentences. Lines may tighten.Logical formLearned from5 sentences. Sanctions may tighten.Logical formLearned from5 sentences.