A campaigning can be hard.Logical formLearned from98 sentences. A route can be hard.Logical formLearned from98 sentences. Meat can be hard.Logical formLearned from98 sentences. A hard work may start.Logical formLearned from98 sentences. A girl can be hard.Logical formLearned from98 sentences. A ball can be hard.Logical formLearned from97 sentences. A manual labor can be hard.Logical formLearned from97 sentences. A back can be hard.Logical formLearned from97 sentences. A person may get a hard drive.Logical formLearned from97 sentences. (Season tickets) can be hard.Logical formLearned from97 sentences. A victory can be hard.Logical formLearned from97 sentences. A riding can be hard.Logical formLearned from97 sentences. A left turn can be hard.Logical formLearned from97 sentences. A person may play hard.Logical formLearned from97 sentences. A transition can be hard.Logical formLearned from96 sentences.