A (time trial) can be hilly.Logical formLearned from5 sentences. A heartland can be hilly.Logical formLearned from5 sentences. A (marathon course) can be hilly.Logical formLearned from5 sentences. A piece can be hilly.Logical formLearned from5 sentences. Runs can be hilly.Logical formLearned from5 sentences. Roadways can be hilly.Logical formLearned from5 sentences. Sidewalks can be hilly.Logical formLearned from5 sentences. A southeast can be hilly.Logical formLearned from5 sentences. A plateau can be hilly.Logical formLearned from5 sentences. Banks can be hilly.Logical formLearned from5 sentences. A (pine forest) can be hilly.Logical formLearned from5 sentences. A (farming district) can be hilly.Logical formLearned from5 sentences. A northern region can be hilly.Logical formLearned from5 sentences. Rural areas can be hilly.Logical formLearned from5 sentences. A (district north) can be hilly.Logical formLearned from5 sentences.