A person may know some different languages.Logical formLearned from4 sentences. (Source code) can be different from forms of expression.Logical formLearned from4 sentences. A background can be different from a color.Logical formLearned from4 sentences. An activity can be different.Logical formLearned from4 sentences. A case can be different with sciences.Logical formLearned from4 sentences. A world can be different from a world.Logical formLearned from4 sentences. Issues can be different from issues.Logical formLearned from4 sentences. A medication can be different from methadone.Logical formLearned from4 sentences. A persona can be different from an one.Logical formLearned from4 sentences. A kind can be different from programs.Logical formLearned from4 sentences. A society can be different from a possession.Logical formLearned from4 sentences. Digital medias of (computer networks) can be different from (mass medias) of television.Logical formLearned from4 sentences. A combination can be different from a bronze.Logical formLearned from4 sentences. Content can be different.Logical formLearned from4 sentences. A case can be different from ones.Logical formLearned from4 sentences.