A trek can be through rolling hills.Logical formLearned from5 sentences. Soldiers can be on a hill.Logical formLearned from5 sentences. A hill may come_down.Logical formLearned from5 sentences. Mourners may climb to a top of a hill.Logical formLearned from5 sentences. A race can be on a hill.Logical formLearned from5 sentences. A hill can be in parentheses.Logical formLearned from5 sentences. Some helicopters may land on a hill.Logical formLearned from5 sentences. Fightings may continue in hills.Logical formLearned from5 sentences. Hills may surround a world-city.Logical formLearned from5 sentences. Snipers can be on hills.Logical formLearned from5 sentences. A hill may pertain-to a kind.Logical formLearned from5 sentences. Some fire can be in hills of a female.Logical formLearned from5 sentences. A hill may overlook a (front line).Logical formLearned from5 sentences. (Guerrilla hideouts) can be in hills.Logical formLearned from5 sentences. A government may crash into a hill.Logical formLearned from5 sentences.