Persons may walk on the moon.Logical formLearned from15 sentences. A (moon landing) can be unmanned.Logical formLearned from15 sentences. Dust may pertain-to the moon.Logical formLearned from15 sentences. Trips can be to the moon.Logical formLearned from15 sentences. A trip can be around the moon.Logical formLearned from15 sentences. A (moon europa) can be frozen.Logical formLearned from15 sentences. The moon may undergo an understanding.Logical formLearned from15 sentences. A fire can be on the moon.Logical formLearned from15 sentences. Moons can be rocky.Logical formLearned from15 sentences. An eve may pertain-to the full moon.Logical formLearned from14 sentences. Astronauts may walk on the moon.Logical formLearned from14 sentences. A brightness may pertain-to the moon.Logical formLearned from14 sentences. (Moon rocks) may pertain-to a deity.Logical formLearned from14 sentences. Irregular moons can be retrograde.Logical formLearned from14 sentences. A greek goddess may pertain-to the moon.Logical formLearned from14 sentences.