| ["difficulty", "has_code", "has_legal", "has_long", "has_math", "has_research", "has_tool", "n_code", "n_legal", "n_research", "n_tool", "num_words", "req_len", "tt_coding", "tt_document_drafting", "tt_idx", "tt_legal_regulated", "tt_long_horizon", "tt_quick_answer", "tt_research", "tt_retrieval_heavy", "tt_tool_heavy", "tt_unknown_ambiguous"] |