A bill may tighten restrictions.Logical formLearned from18 sentences. A screw may be tightened.Logical formLearned from18 sentences. A race may tighten in weeks.Logical formLearned from18 sentences. A male may tighten security.Logical formLearned from18 sentences. A country may tighten sanctions.Logical formLearned from18 sentences. Security may be tightened after a murder.Logical formLearned from18 sentences. Persons may tighten a (security arrangement).Logical formLearned from18 sentences. Restrictions may be tightened.Logical formLearned from18 sentences. A country may tighten a grip on a (cricket test).Logical formLearned from18 sentences. Sanctions may be tightened in a month.Logical formLearned from18 sentences. New leaders may tighten a grip on power.Logical formLearned from18 sentences. A world-city may tighten credit.Logical formLearned from18 sentences. A recession may tighten a grip.Logical formLearned from18 sentences. A government may tighten (security measures).Logical formLearned from17 sentences. A national-agency may tighten.Logical formLearned from17 sentences.