Figure 1: Contrasting existing Vertical Thinking tasks (PIQA, RiddleSense) to our novel lateral thinking task called BRAINTEASER. While prior tasks require commonsense to be injected, BRAINTEASER's lateral thinking puzzles require default commonsense thinking to be deprecated.

Figure 1 contrasts existing vertical thinking tasks (PIQA, RiddleSense) with the novel lateral thinking task BRAINTEASER, illustrating the shift from state-of-the-art tasks requiring implicit reasoning to the new puzzle requiring default commonsense thinking to be deprecated.