The sun may disappear over a horizon.Logical formLearned from15 sentences. A silhouette can be on a horizon.Logical formLearned from15 sentences. Trees may sway on a horizon.Logical formLearned from15 sentences. Prices can be on a horizon.Logical formLearned from15 sentences. The sun may hit a horizon.Logical formLearned from15 sentences. An airport can be infinite on a horizon.Logical formLearned from15 sentences. A technology can be on a horizon.Logical formLearned from15 sentences. The sun can be over a horizon.Logical formLearned from15 sentences. (Reading horizons) may pertain-to a person.Logical formLearned from15 sentences. The sun may come_up over a horizon.Logical formLearned from15 sentences. Horizon can be for children.Logical formLearned from15 sentences. Parallel can be to a horizon.Logical formLearned from15 sentences. Horizons can be technological.Logical formLearned from15 sentences. Ships may disappear over a horizon.Logical formLearned from15 sentences. A horizon can be a line.Logical formLearned from15 sentences.