A (desert boundary) can be unspoiled.Logical formLearned from5 sentences. Hostages may be kidnapped in a desert.Logical formLearned from5 sentences. A desert may spread throughout the world.Logical formLearned from5 sentences. A (desert oasis) can be constituted-of-or-filled-with flowers.Logical formLearned from5 sentences. A (desert region) may be dotted with palaces.Logical formLearned from5 sentences. A (desert track) can be slick.Logical formLearned from5 sentences. Lead-ins may pertain-to a (desert circuit).Logical formLearned from5 sentences. A military camp can be in a desert.Logical formLearned from5 sentences. An aborigine can be from a (desert area).Logical formLearned from5 sentences. A center may pertain-to a (desert nation).Logical formLearned from5 sentences. A desert can be vulnerable to penetration.Logical formLearned from5 sentences. A breach may make a desert.Logical formLearned from5 sentences. Some (square miles) can be constituted-of-or-filled-with desert.Logical formLearned from5 sentences. A (desert capital) may be snarled by (army checkpoints).Logical formLearned from5 sentences. A (desert area) can be rich in phosphate.Logical formLearned from5 sentences.