Hills may undergo an elevation.Logical formLearned from13 sentences. Some square miles can be constituted-of-or-filled-with hills.Logical formLearned from13 sentences. A range can be constituted-of-or-filled-with (chalk hills).Logical formLearned from13 sentences. A hill may overlook a river.Logical formLearned from13 sentences. Hills can be dramatic.Logical formLearned from13 sentences. A hill can be in a distance.Logical formLearned from13 sentences. Hills can be tropical.Logical formLearned from13 sentences. A hill can be behind a male.Logical formLearned from13 sentences. A person may like hills.Logical formLearned from13 sentences. A hill may overlook a highway.Logical formLearned from13 sentences. Hills may pertain-to the north.Logical formLearned from13 sentences. Roads may lead to hills.Logical formLearned from13 sentences. Areas may pertain-to hills.Logical formLearned from13 sentences. Persons may run to hills.Logical formLearned from13 sentences. Boulders may shake from hills.Logical formLearned from13 sentences.