A fortress can be on a hill.Logical formLearned from13 sentences. A hill can be on a property.Logical formLearned from13 sentences. Hills can be vacant.Logical formLearned from13 sentences. A hill can be brutal.Logical formLearned from13 sentences. Cows can be from hills.Logical formLearned from13 sentences. A castle may give a hill a name.Logical formLearned from13 sentences. A square can be from green hills.Logical formLearned from13 sentences. A stair of some (stone steps) may climb a hill to a church.Logical formLearned from13 sentences. Persons can be in hills.Logical formLearned from13 sentences. Hills may surround a US-city.Logical formLearned from13 sentences. A hill may rise.Logical formLearned from13 sentences. The sun may set over hills.Logical formLearned from13 sentences. A person may walk_down a hill.Logical formLearned from13 sentences. Some acres can be in hills.Logical formLearned from13 sentences. Hills can be inaccessible.Logical formLearned from13 sentences.