A nose can be hard.Logical formLearned from65 sentences. Tacklings can be hard.Logical formLearned from65 sentences. A code can be hard.Logical formLearned from65 sentences. Throwers can be hard.Logical formLearned from65 sentences. A city can be hard.Logical formLearned from65 sentences. A hard line can be in negotiations.Logical formLearned from65 sentences. A glass can be hard.Logical formLearned from65 sentences. A hard work may be doed for a person.Logical formLearned from65 sentences. Data can be on a hard drive.Logical formLearned from65 sentences. Space can be on a hard drive.Logical formLearned from65 sentences. Travel can be hard.Logical formLearned from65 sentences. A life can be constituted-of-or-filled-with hard work.Logical formLearned from65 sentences. A combination can be hard.Logical formLearned from64 sentences. The world can be hard.Logical formLearned from64 sentences. A bitch can be hard.Logical formLearned from64 sentences.