California–Arizona border

Target entity: California–Arizona border
Context triple: [Quechan Indian Reservation, crossesPoliticalBoundary, California–Arizona border]

• A. California–Nevada border
  The California–Nevada border is the state line in the western United States that divides California from Nevada, running through diverse landscapes including the Sierra Nevada and the Lake Tahoe region.
• B. Baja California border corridor
  The Baja California border corridor is a transnational region along the Mexico–United States border in the state of Baja California, encompassing key border cities and crossings that serve as major hubs for trade, migration, and cultural exchange.
• C. U.S.–Mexico border
  The U.S.–Mexico border is the international boundary separating the United States and Mexico, stretching from the Pacific Ocean to the Gulf of Mexico and serving as a major focal point for migration, trade, and security issues.
• D. Oregon–California border
  The Oregon–California border is the state line separating Oregon and California in the western United States, running from the Pacific coast inland across diverse terrain including mountains, forests, and river valleys.
• E. Mexicali Valley
  Mexicali Valley is a major agricultural region in northern Baja California, Mexico, known for its extensive irrigated farmlands and proximity to the U.S.–Mexico border.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: California–Arizona border
Target entity description: The California–Arizona border is the state line along the lower Colorado River that separates California from Arizona in the southwestern United States.

• A. California–Nevada border
  The California–Nevada border is the state line in the western United States that divides California from Nevada, running through diverse landscapes including the Sierra Nevada and the Lake Tahoe region.
• B. Baja California border corridor
  The Baja California border corridor is a transnational region along the Mexico–United States border in the state of Baja California, encompassing key border cities and crossings that serve as major hubs for trade, migration, and cultural exchange.
• C. U.S.–Mexico border
  The U.S.–Mexico border is the international boundary separating the United States and Mexico, stretching from the Pacific Ocean to the Gulf of Mexico and serving as a major focal point for migration, trade, and security issues.
• D. Oregon–California border
  The Oregon–California border is the state line separating Oregon and California in the western United States, running from the Pacific coast inland across diverse terrain including mountains, forests, and river valleys.
• E. Mexicali Valley
  Mexicali Valley is a major agricultural region in northern Baja California, Mexico, known for its extensive irrigated farmlands and proximity to the U.S.–Mexico border.
• F. None of above. chosen