Letters may be deleted.Logical formLearned from4 sentences. A person may delete a group.Logical formLearned from4 sentences. A person may delete persons from a site.Logical formLearned from4 sentences. A person may delete questions.Logical formLearned from4 sentences. An engineer may be deleted.Logical formLearned from4 sentences. A rest of pictures may be deleted without involving a loss.Logical formLearned from4 sentences. A land may be deleted.Logical formLearned from4 sentences. News may be deleted.Logical formLearned from4 sentences. Some emails may be deleted after a contest.Logical formLearned from4 sentences. A person may delete infoes.Logical formLearned from4 sentences. Recordings may be deleted.Logical formLearned from4 sentences. A person may delete windows.Logical formLearned from4 sentences. Persons may delete an entry.Logical formLearned from4 sentences. A card may be deleted.Logical formLearned from4 sentences. Scenes may be deleted from a movie.Logical formLearned from4 sentences.