A (coal production base) may pertain-to a country.Logical formLearned from11 sentences. An (air base) can be in a country.Logical formLearned from11 sentences. A base can be in a community.Logical formLearned from11 sentences. A base may be attacked by airpower.Logical formLearned from11 sentences. A base may be close_downed.Logical formLearned from11 sentences. (Base pairs) can be with an (editing region).Logical formLearned from11 sentences. A base may be required.Logical formLearned from11 sentences. A (marble base) can be green.Logical formLearned from11 sentences. A middle may pertain-to bases.Logical formLearned from11 sentences. A base can be irregular.Logical formLearned from11 sentences. An (air base) may reside at an elevation.Logical formLearned from11 sentences. A (bomber base) can be heavy.Logical formLearned from11 sentences. Bases can be bulbous.Logical formLearned from11 sentences. Some bases can be without (home runs).Logical formLearned from11 sentences. An (asset base) can be in excess of persons.Logical formLearned from11 sentences.