A tower can be on a hill.Logical formLearned from15 sentences. Hills can be abrupt.Logical formLearned from15 sentences. A hill can be behind persons.Logical formLearned from15 sentences. Persons may ascend a hill.Logical formLearned from15 sentences. Hills can be serene.Logical formLearned from15 sentences. Snow can be on hills.Logical formLearned from15 sentences. Hills may overlook a US-city.Logical formLearned from15 sentences. A hill can be about some kilometers.Logical formLearned from15 sentences. Hills can be above a male.Logical formLearned from15 sentences. A male may run_up a hill.Logical formLearned from15 sentences. (Rolling hills) can be verdant.Logical formLearned from15 sentences. A place can be on a hill.Logical formLearned from15 sentences. Hills can be to a northeast of a city.Logical formLearned from15 sentences. Hills may pertain-to a homeland.Logical formLearned from15 sentences. A (hill ridge) may pertain-to a female.Logical formLearned from15 sentences.