A male may lay on a back.Logical formLearned from191 sentences. A monkey can be off a back.Logical formLearned from191 sentences. Hands may be bounded behind a back.Logical formLearned from191 sentences. A back may pertain-to an ankle.Logical formLearned from191 sentences. A back may pertain-to a garden.Logical formLearned from190 sentences. A person may turn a back on a person.Logical formLearned from189 sentences. A person may see a back.Logical formLearned from187 sentences. Persons may have a back.Logical formLearned from186 sentences. A back may pertain-to a toilet.Logical formLearned from186 sentences. A monkey can be on a back.Logical formLearned from186 sentences. A back may pertain-to shoulders.Logical formLearned from185 sentences. A back may pertain-to a jeep.Logical formLearned from184 sentences. A person may have a bad back.Logical formLearned from184 sentences. A back may pertain-to an insurgency.Logical formLearned from181 sentences. A back may pertain-to a lot.Logical formLearned from180 sentences.