Persons may go to the moon.Logical formLearned from218 sentences. The moon can be in a solar system.Logical formLearned from214 sentences. A landing can be on the moon.Logical formLearned from213 sentences. Phases may pertain-to the moon.Logical formLearned from210 sentences. A gravity may pertain-to the moon.Logical formLearned from208 sentences. A trip can be to the moon.Logical formLearned from199 sentences. A return can be to the moon.Logical formLearned from196 sentences. Persons can be over the moon.Logical formLearned from194 sentences. A mission can be to the moon.Logical formLearned from193 sentences. A (moon europa) may pertain-to a planet.Logical formLearned from185 sentences. A size may pertain-to the moon.Logical formLearned from184 sentences. Moons can be known.Logical formLearned from182 sentences. A first man can be on the moon.Logical formLearned from176 sentences. A moon can be pale.Logical formLearned from175 sentences. A male may walk on the moon.Logical formLearned from172 sentences.