A stomach may tighten in anticipation.Logical formLearned from8 sentences. Balls may tighten in a hand.Logical formLearned from8 sentences. A (credit squeeze) may tighten a grip.Logical formLearned from8 sentences. A country may tighten ties to militias.Logical formLearned from8 sentences. Lenders may tighten (lending criteria).Logical formLearned from8 sentences. A female may tighten thighs.Logical formLearned from8 sentences. A female may tighten a hand.Logical formLearned from8 sentences. Persons may tighten rules.Logical formLearned from8 sentences. A recession may tighten a grip on the economy.Logical formLearned from8 sentences. A country may tighten (visa restrictions).Logical formLearned from8 sentences. Requirements may be tightened.Logical formLearned from8 sentences. A border may tighten.Logical formLearned from8 sentences. (Border controls) may tighten.Logical formLearned from8 sentences. A belt may be tightened.Logical formLearned from8 sentences. A country may tighten a ring of tanks.Logical formLearned from8 sentences.