A toy can be hard.Logical formLearned from16 sentences. An organic material can be hard.Logical formLearned from16 sentences. (Network marketing) can be hard.Logical formLearned from16 sentences. A banana can be hard.Logical formLearned from16 sentences. A plan can be hard.Logical formLearned from16 sentences. Ships can be hard.Logical formLearned from16 sentences. A version can be hard.Logical formLearned from16 sentences. Thanks can be hard.Logical formLearned from16 sentences. A keyboard can be hard.Logical formLearned from16 sentences. An ebony can be hard.Logical formLearned from16 sentences. A bottle can be constituted-of-or-filled-with hard liquor.Logical formLearned from16 sentences. Persons may go through some hard times.Logical formLearned from16 sentences. A person may take_out a hard drive.Logical formLearned from16 sentences. A hard drive can be delicious.Logical formLearned from16 sentences. Parts can be hard.Logical formLearned from16 sentences.