Complexities can be unexpected.Logical formLearned from15 sentences. A complexity may pertain-to the past.Logical formLearned from15 sentences. A complexity may pertain-to a marketplace.Logical formLearned from15 sentences. A complexity may pertain-to a building.Logical formLearned from15 sentences. Complexity may pertain-to a (source article).Logical formLearned from15 sentences. Complexity may pertain-to work.Logical formLearned from15 sentences. A complexity may pertain-to a (manufacturing process).Logical formLearned from15 sentences. Complexity may undergo a rise.Logical formLearned from15 sentences. A complexity may pertain-to concepts.Logical formLearned from15 sentences. A complexity can be philosophical.Logical formLearned from15 sentences. A complexity may pertain-to a book.Logical formLearned from15 sentences. A complexity may pertain-to a condition.Logical formLearned from15 sentences. A complexity can be urban.Logical formLearned from15 sentences. A complexity may pertain-to a query.Logical formLearned from15 sentences. Complexities may pertain-to politics.Logical formLearned from15 sentences.