Table: porsche panamera
Question: Is the Panamera 4S the most fuel-efficient model? Answer with only 'Yes' or 'No' that is most accurate and nothing else.
Step 1 (Reasoning, Grounding): fuel-efficient, less emissions co2
Step 2 (Operation, Indexing): emissions co2
Step 3 (Operation, Sorting): emissions co2
Step 4 (Reasoning, Aggregating): MIN, emissions co2
Answer: No