Spreads may tighten.Logical formLearned from36 sentences. A presidential race may tighten.Logical formLearned from36 sentences. A country may tighten laws.Logical formLearned from36 sentences. Lips may be tightened.Logical formLearned from35 sentences. A country may tighten (security measures).Logical formLearned from35 sentences. Muscles may be tightened.Logical formLearned from34 sentences. Muscles may tighten around a male.Logical formLearned from34 sentences. (Credit markets) may tighten.Logical formLearned from34 sentences. A government may tighten controls.Logical formLearned from34 sentences. Lenders may tighten standards.Logical formLearned from34 sentences. Troops may tighten security.Logical formLearned from34 sentences. A male may tighten a jaw.Logical formLearned from33 sentences. Pants may tighten.Logical formLearned from33 sentences. Polls may tighten.Logical formLearned from33 sentences. (Oil supplies) may tighten.Logical formLearned from33 sentences.