An administration may tighten sanctions.Logical formLearned from8 sentences. A dictator may tighten a grip.Logical formLearned from8 sentences. Security may be tightened in cities.Logical formLearned from8 sentences. A bill may tighten (border security).Logical formLearned from8 sentences. A country may tighten controls.Logical formLearned from8 sentences. Arms may tighten about a female.Logical formLearned from8 sentences. Consumers may tighten a spending.Logical formLearned from8 sentences. Regulations may tighten control.Logical formLearned from8 sentences. A local government may tighten controls.Logical formLearned from8 sentences. A person may tighten a (seat belt).Logical formLearned from8 sentences. A world-city may tighten controls on (coal prices).Logical formLearned from8 sentences. A president may tighten sanctions.Logical formLearned from8 sentences. Lenders may tighten conditions on loans to (home buyers).Logical formLearned from8 sentences. (Crude inventories) may tighten.Logical formLearned from8 sentences. Schools may tighten security.Logical formLearned from8 sentences.