A national-agency may tighten credit some times.Logical formLearned from8 sentences. The police may tighten a security.Logical formLearned from7 sentences. A military may tighten a grip on power.Logical formLearned from7 sentences. A country may tighten an embargo.Logical formLearned from7 sentences. A person may tighten nuts.Logical formLearned from7 sentences. An act may tighten (time frames).Logical formLearned from7 sentences. A country may tighten restrictions.Logical formLearned from7 sentences. Countries may tighten belts.Logical formLearned from7 sentences. A person may tighten a body.Logical formLearned from7 sentences. Fingers may tighten on a back.Logical formLearned from7 sentences. Arms may tighten.Logical formLearned from7 sentences. A grip may tighten on a person.Logical formLearned from7 sentences. An exchange-commission may tighten rules on short selling.Logical formLearned from7 sentences. A hand may tighten around a possession.Logical formLearned from7 sentences. A belly may tighten.Logical formLearned from7 sentences.