A challenge can be in a quest.Logical formLearned from18 sentences. Some quest can be for immortality.Logical formLearned from18 sentences. Firsthands may account of a quest.Logical formLearned from18 sentences. A quest can be without controversy.Logical formLearned from18 sentences. A quest can be for fame.Logical formLearned from18 sentences. A quest can be bold.Logical formLearned from18 sentences. A quest may fall.Logical formLearned from18 sentences. An advantage can be in a quest.Logical formLearned from18 sentences. A quest can be for a grail.Logical formLearned from18 sentences. A quest can be for land.Logical formLearned from18 sentences. A quest can be for alternatives to oil.Logical formLearned from18 sentences. Persons can be in a quest.Logical formLearned from18 sentences. A quest may pertain-to a hero.Logical formLearned from18 sentences. A quest can be for housing.Logical formLearned from18 sentences. A leader may pertain-to a quest.Logical formLearned from18 sentences.