Challenge: brittleness of Large Language Models in reasoningintensive tasks is a problem . current compositional benchmarks focus on *either* commonsense or math reasoning .
Approach: They propose a "Co**mmonsense and Ma**th" benchmark where each compositional task requires a commonsense reasoning step *and* a math reasoning step.
Outcome: The proposed benchmarks show that LLMs can solve both steps in isolation, but their accuracy drops by nearly 30% when the two steps are combined.

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