A world-city can be tight.Logical formLearned from17 sentences. A stretch can be tight.Logical formLearned from17 sentences. (Construction deadlines) can be tight.Logical formLearned from17 sentences. A US-city can be tight.Logical formLearned from17 sentences. Budgets may remain tight.Logical formLearned from17 sentences. (Security controls) can be tight.Logical formLearned from17 sentences. A (security grip) can be tight.Logical formLearned from17 sentences. A (nomination race) can be tight.Logical formLearned from17 sentences. A semi-final can be tight.Logical formLearned from17 sentences. A crude can be tight.Logical formLearned from17 sentences. An encirclement can be tight.Logical formLearned from17 sentences. Security can be tight for a visit.Logical formLearned from17 sentences. An (oil supply) can be tight.Logical formLearned from16 sentences. Procedures can be tight.Logical formLearned from16 sentences. A hat can be tight.Logical formLearned from16 sentences.