A content can be basic.Logical formLearned from391 sentences. A content can be personal.Logical formLearned from377 sentences. A content can be harmful.Logical formLearned from374 sentences. A person may have content.Logical formLearned from372 sentences. A content may change.Logical formLearned from367 sentences. A content may pertain-to a book.Logical formLearned from357 sentences. A sexual content can be explicit.Logical formLearned from355 sentences. A content can be popular.Logical formLearned from355 sentences. A content may pertain-to courses.Logical formLearned from351 sentences. Reviews may give an overview of a content of a book.Logical formLearned from349 sentences. Contents may pertain-to documents.Logical formLearned from349 sentences. A content may pertain-to an information.Logical formLearned from348 sentences. A content may pertain-to messages.Logical formLearned from345 sentences. A content can be proprietary.Logical formLearned from344 sentences. A content can be instructional.Logical formLearned from343 sentences.