A prison can be on an island.Logical formLearned from16 sentences. Islands can be of origin.Logical formLearned from16 sentences. Islands can be in a bay.Logical formLearned from16 sentences. Military bases can be on an island.Logical formLearned from16 sentences. Events can be on an island.Logical formLearned from16 sentences. Some islands can be off a country.Logical formLearned from16 sentences. A height may pertain-to an island.Logical formLearned from16 sentences. Landings can be on islands.Logical formLearned from16 sentences. A channel can be between some islands.Logical formLearned from16 sentences. A main island can be in a group.Logical formLearned from16 sentences. Islands may begin.Logical formLearned from16 sentences. The extreme north may pertain-to an island.Logical formLearned from16 sentences. Authority can be on an island.Logical formLearned from16 sentences. A visit to an island may find that something-is-the-case.Logical formLearned from16 sentences. An island can be a part.Logical formLearned from16 sentences.