Expansion can be on a horizon.Logical formLearned from17 sentences. The moon can be above a horizon.Logical formLearned from17 sentences. An event can be on a horizon.Logical formLearned from17 sentences. Looming can be on a horizon.Logical formLearned from17 sentences. A (time horizon) can be for ending a mission.Logical formLearned from17 sentences. A horizon may pertain-to a continent.Logical formLearned from17 sentences. A horizon can be constituted-of-or-filled-with some years.Logical formLearned from16 sentences. A horizon may pertain-to a black hole.Logical formLearned from16 sentences. A horizon can be southeastern.Logical formLearned from16 sentences. A size may pertain-to an (event horizon).Logical formLearned from16 sentences. A horizon can be invisible.Logical formLearned from16 sentences. Horizons can be bright.Logical formLearned from16 sentences. Bad news can be on a horizon.Logical formLearned from16 sentences. New horizons can be constituted-of-or-filled-with cooperation.Logical formLearned from16 sentences. Horizons can be dark.Logical formLearned from16 sentences.