A holiday can be in hills.Logical formLearned from5 sentences. A hill can be unstable.Logical formLearned from5 sentences. A hill can be in a middle.Logical formLearned from5 sentences. A village can be on a hill.Logical formLearned from5 sentences. A (hill top) can be exposed.Logical formLearned from5 sentences. Workers may take (core samples) from a hill.Logical formLearned from5 sentences. Persons may see some hills.Logical formLearned from5 sentences. A hill can be at some miles.Logical formLearned from5 sentences. A hill may be inhabited.Logical formLearned from5 sentences. A castle may be situated on a hill.Logical formLearned from5 sentences. Camp-fires may be set in low brows of hills.Logical formLearned from5 sentences. A hill may give a person some prospect of a country.Logical formLearned from5 sentences. Hills can be pleasant.Logical formLearned from5 sentences. A region can be constituted-of-or-filled-with green hills.Logical formLearned from5 sentences. A next day may climb a hill.Logical formLearned from5 sentences.