Caves can be in hills.Logical formLearned from11 sentences. A hill can be in city.Logical formLearned from10 sentences. Hills can be dense.Logical formLearned from10 sentences. A background can be constituted-of-or-filled-with hills.Logical formLearned from10 sentences. Rolling hills can be high.Logical formLearned from10 sentences. Hills can be dissected.Logical formLearned from10 sentences. A castle may be located on a hill.Logical formLearned from10 sentences. Hills may undergo a vegetation.Logical formLearned from10 sentences. Hills can be irregular.Logical formLearned from10 sentences. An area may be surrounded by hills.Logical formLearned from10 sentences. Rolling hills can be constituted-of-or-filled-with trees.Logical formLearned from10 sentences. Lists can be constituted-of-or-filled-with hills.Logical formLearned from10 sentences. A village may be built on a hill.Logical formLearned from10 sentences. A shadow may pertain-to a hill.Logical formLearned from10 sentences. A hill can be in a center of a city.Logical formLearned from10 sentences.