Gravity may pull_down a person.Logical formLearned from8 sentences. A gravity may act on toes.Logical formLearned from8 sentences. A gravity may pertain-to a role.Logical formLearned from8 sentences. A model of a line can be (gravity massage chair).Logical formLearned from8 sentences. Advantage may pertain-to a gravity.Logical formLearned from8 sentences. Gravity may take men.Logical formLearned from8 sentences. Gravity may undergo a test.Logical formLearned from8 sentences. Some centres can be constituted-of-or-filled-with gravity.Logical formLearned from8 sentences. A gravity may pertain-to a US-city.Logical formLearned from8 sentences. Gravity may start.Logical formLearned from8 sentences. Gravity may prevail.Logical formLearned from8 sentences. Gravity may pertain-to a problem.Logical formLearned from8 sentences. Gravity may undergo an increase.Logical formLearned from8 sentences. Persons may understand a gravity.Logical formLearned from8 sentences. A person may blame gravity.Logical formLearned from8 sentences.