Hills may be formed.Logical formLearned from7 sentences. A hill can be at a park.Logical formLearned from7 sentences. A (northwest side) may pertain-to a hill.Logical formLearned from7 sentences. A hill can be constituted-of-or-filled-with stones.Logical formLearned from7 sentences. Hills can be hard.Logical formLearned from7 sentences. Hills can be behind a village.Logical formLearned from7 sentences. A hill may overlook a camp.Logical formLearned from7 sentences. Hills can be rich.Logical formLearned from7 sentences. Hills may be surrounded.Logical formLearned from7 sentences. A landscape can be with hills.Logical formLearned from7 sentences. A hill can be a destination.Logical formLearned from7 sentences. A valley can be in hills.Logical formLearned from7 sentences. A hill can be at an end.Logical formLearned from7 sentences. A municipality may be located in hills.Logical formLearned from7 sentences. A person may see rolling hills.Logical formLearned from7 sentences.