A noose may tighten around a neck.Logical formLearned from13 sentences. A race may tighten in a us-state.Logical formLearned from13 sentences. A country may tighten (visa rules).Logical formLearned from13 sentences. A bill may tighten borders.Logical formLearned from13 sentences. A central bank may tighten a monetary policy.Logical formLearned from13 sentences. Authorities may tighten (border controls).Logical formLearned from13 sentences. Persons may tighten a net.Logical formLearned from13 sentences. A person may tighten security.Logical formLearned from13 sentences. A country may tighten (visa requirements).Logical formLearned from13 sentences. Fiscal policy may be tightened.Logical formLearned from13 sentences. Controls may tighten.Logical formLearned from13 sentences. A US-president may tighten sanctions.Logical formLearned from13 sentences. Israeli forces may tighten a grip.Logical formLearned from13 sentences. A country may tighten screws on a country.Logical formLearned from13 sentences. A law may tighten an embargo on a country.Logical formLearned from13 sentences.