Positions can be on a hill.Logical formLearned from8 sentences. A feature may pertain-to a hill.Logical formLearned from8 sentences. An attack can be on a hill.Logical formLearned from8 sentences. A hill can be above a river.Logical formLearned from8 sentences. A system can be constituted-of-or-filled-with hills.Logical formLearned from8 sentences. A hill can be with some peaks.Logical formLearned from8 sentences. A valley can be between some hills.Logical formLearned from8 sentences. (Hill forts) can be developed.Logical formLearned from8 sentences. Hills can be in a us-state.Logical formLearned from8 sentences. Hills can be distinctive.Logical formLearned from8 sentences. Land can be on a hill.Logical formLearned from8 sentences. Green hills can be cool.Logical formLearned from8 sentences. Hills can be serpentine.Logical formLearned from8 sentences. A day can be on hills.Logical formLearned from8 sentences. Access can be to hills.Logical formLearned from8 sentences.