Hills can be interesting.Logical formLearned from7 sentences. A hill can be paved.Logical formLearned from7 sentences. Hills can be vertical.Logical formLearned from7 sentences. Hills may undergo a use.Logical formLearned from7 sentences. Persons can be at a bottom of a hill.Logical formLearned from7 sentences. View may show hills.Logical formLearned from7 sentences. A person may be surrounded by hills.Logical formLearned from7 sentences. Hills can be great.Logical formLearned from7 sentences. (Signal flares) may go_up over a hill.Logical formLearned from7 sentences. A way can be among hills.Logical formLearned from7 sentences. A landscape can be constituted-of-or-filled-with green hills.Logical formLearned from7 sentences. A (hill resort) can be in a country.Logical formLearned from7 sentences. The left may pertain-to a hill.Logical formLearned from7 sentences. A female may walk hills.Logical formLearned from7 sentences. A female may reach a crest of a hill.Logical formLearned from7 sentences.