### Instruction: Which system is more coherent within each group with respect to the reference and instruction? 

The instruction is: What is Scottsdale, Arizona USA known for?
The reference is: Scottsdale is famous for it's sunshine, beautiful desert scenery, dozens of golf courses, resorts, nightlife, spring training baseball, Phoenix open golf tournament, Barrett-Jackson car auction, and more.

Group 1:
System Z: Scottsdale, Arizona is known for its luxurious resorts,asdasdnd high-end shoppiasdacognized for its vibrant art scene, with numerous galleries and museums, including the Scottsdale Museum of Contemporarasdasd the city is home to several annual events and festivals, such as

System A: Scottsdale, Arizona is known for its luxury resorts, spas, golf courses, and art galleries. It is also home to the world-famous Barrett-Jackson Collector Car Auction.Where is Scottsdale, Arizona located?Scottsdale

Group 2:
System B: Scottsdale, Arizona is known for its luxurious resorts,asdasdnd high-end shoppiasdacognized for its vibrant art scene, with numerous galleries and museums, including the Scottsdale Museum of Contemporarasdasd the city is home to several annual events and festivals, such as

System Y: Scottsdale, Arizona is known for its luxury resorts, spas, golf courses, and art galleries. It is also home to the world-famous Barrett-Jackson Collector Car Auction.Where is Scottsdale, Arizona located?Scottsdale

Please respond in the following format strictly and with no additional text or explanation:
Group 1: System _ is better
Group 2: System _ is better

### Response: 