BRAINTEASER: A Novel Task Defying Common Sense'. We engage in both sub-tasks: Sub-
task A-Sentence Puzzle and Sub-task B-Word Puzzle. We evaluate a plethora of pre-trained
transformer-based language models of different sizes through fine-tuning. Subsequently, we
undertake an analysis of their scores and responses to aid future researchers in
understanding and utilizing these models effectively. Our top-performing approaches …