A viking can be on_top_of a hill.Logical formLearned from2 sentences. A cartoon may show a viking.Logical formLearned from2 sentences. A viking can be on a hill.Logical formLearned from2 sentences. A viking may have some pilots.Logical formLearned from2 sentences. A viking may tame a dragon.Logical formLearned from2 sentences. A member may pertain-to a viking.Logical formLearned from2 sentences. A (viking kingdom) may pertain-to a century.Logical formLearned from2 sentences. A key center can be within a (viking kingdom) of a century.Logical formLearned from2 sentences. A (viking kingdom) of a century may be founded on ships.Logical formLearned from2 sentences. A viking can be in an area.Logical formLearned from2 sentences. A viking can be with some passengers.Logical formLearned from2 sentences. A viking may pertain-to a world-city.Logical formLearned from2 sentences. A fit can be for a viking.Logical formLearned from2 sentences. Controls may pertain-to a viking.Logical formLearned from2 sentences. A turn can be at controls of a viking.Logical formLearned from2 sentences.