A person may add a male on facebook.Logical formLearned from12 sentences. Persons can be (facebook friends).Logical formLearned from12 sentences. A female may have a facebook.Logical formLearned from12 sentences. A (facebook application) may pertain-to a person.Logical formLearned from12 sentences. An application can be on facebook.Logical formLearned from12 sentences. Facebook can be on a hand.Logical formLearned from12 sentences. A facebook may post.Logical formLearned from11 sentences. A facebook can be stupid.Logical formLearned from11 sentences. Persons may use facebook.Logical formLearned from11 sentences. A person may write on facebook.Logical formLearned from11 sentences. A facebook can be popular.Logical formLearned from11 sentences. A person may look at facebook.Logical formLearned from11 sentences. A (hangout facebook) can be popular.Logical formLearned from11 sentences. (Facebook developers) may stay quiet about a design.Logical formLearned from11 sentences. A person may create a (facebook group).Logical formLearned from11 sentences.