Oil may have a grip.Logical formLearned from6 sentences. An extent may pertain-to a grip.Logical formLearned from6 sentences. A grip can be on power of leaders.Logical formLearned from6 sentences. A grip can be on (energy resources).Logical formLearned from6 sentences. Hardliners may strengthen a grip.Logical formLearned from6 sentences. Clean sweep may hold free of a grip of neighbouring a country.Logical formLearned from6 sentences. A grip can be on a department.Logical formLearned from6 sentences. Congregations can be in a grip of an epidemic.Logical formLearned from6 sentences. A country can be in a grip of a cold snap.Logical formLearned from6 sentences. A grip may pertain-to giants.Logical formLearned from6 sentences. Belgium can be in a grip.Logical formLearned from6 sentences. A grip can be lurid.Logical formLearned from6 sentences. A (bird flu virus) may tighten a grip on a continent.Logical formLearned from6 sentences. A person may keep a grip on power.Logical formLearned from6 sentences. Parties may tighten a grip on a parliament.Logical formLearned from6 sentences.