<s>[INST] What are the unique features of a Boeing 747 when compared to other commercial airplanes [/INST] The Boeing 747 is a large, wide-body (two-aisle) airliner with four wing-mounted engines. Its wings have a high sweep angle of 37.5° for a fast, efficient cruise speed of Mach 0.84 to 0.88, depending on the variant. The sweep also reduces the wingspan, allowing the 747 to use existing hangars.</s>\ <s>[INST] How many seats does the plane have? [/INST] 423 seats</s>