Data may be stored on hard drives.Logical formLearned from16 sentences. A hard work can be solid.Logical formLearned from16 sentences. A tongue can be hard.Logical formLearned from16 sentences. A task-master can be hard.Logical formLearned from16 sentences. A need can be for hard work.Logical formLearned from16 sentences. Substrata can be hard.Logical formLearned from16 sentences. A hard drive may undergo a failure.Logical formLearned from16 sentences. Intent can be hard.Logical formLearned from16 sentences. (Carriage returns) can be hard.Logical formLearned from16 sentences. Someone may do a hard work.Logical formLearned from16 sentences. Speeches can be hard.Logical formLearned from16 sentences. A person may like a hard copy.Logical formLearned from16 sentences. An appreciation can be for hard work.Logical formLearned from16 sentences. A piston can be hard.Logical formLearned from16 sentences. Swords can be hard.Logical formLearned from16 sentences.