A space can be on a hard drive.Logical formLearned from29 sentences. Feet can be hard.Logical formLearned from29 sentences. Tadgers can be hard.Logical formLearned from29 sentences. A skull can be hard.Logical formLearned from29 sentences. A homework can be hard.Logical formLearned from29 sentences. Songs can be hard.Logical formLearned from29 sentences. Some hours can be hard.Logical formLearned from29 sentences. A band can be hard.Logical formLearned from29 sentences. A rush can be hard.Logical formLearned from29 sentences. College can be hard.Logical formLearned from29 sentences. A mind can be hard.Logical formLearned from29 sentences. A journalism can be hard.Logical formLearned from29 sentences. A period can be constituted-of-or-filled-with hard work.Logical formLearned from29 sentences. A person may lose a hard drive.Logical formLearned from29 sentences. A notebook may mean a hard drive.Logical formLearned from29 sentences.