A hill can be undeveloped.Logical formLearned from4 sentences. Hills may border a road.Logical formLearned from4 sentences. Reference can be to hills.Logical formLearned from4 sentences. Guns can be from hills.Logical formLearned from4 sentences. (Rock hills) can be bare.Logical formLearned from4 sentences. A northwest may pertain-to a hill.Logical formLearned from4 sentences. Some groups can be constituted-of-or-filled-with hills.Logical formLearned from4 sentences. A hill can be with some summits.Logical formLearned from4 sentences. A hill may be rebuilted.Logical formLearned from4 sentences. Features can be hills.Logical formLearned from4 sentences. A mansion can be on_top_of a hill.Logical formLearned from4 sentences. A plateau may be surrounded by hills.Logical formLearned from4 sentences. A hill may reach to above sea-level.Logical formLearned from4 sentences. Hills can be in a southeast.Logical formLearned from4 sentences. A hill can be behind a church.Logical formLearned from4 sentences.