After analyzing and ranking the generated sentences based on their complexity, here are the top 5 examples of more complex synonyms in sentences:

The weather was inclement, which caused the roads to become treacherous.
His acumen was evident as he quickly grasped the intricacies of the problem.
The politician's polemic speech evoked a variety of emotions from the audience.
The book was replete with references to historical events and cultural customs.
The artist's avant-garde style challenged conventional norms and expectations.
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence