Triple

Target entity: Grand Teton National Park backcountry zone
Context triple: [Paintbrush Canyon, within, Grand Teton National Park backcountry zone]

• A. Grand Teton National Park chosen
  Grand Teton National Park is a renowned U.S. national park in northwestern Wyoming, celebrated for its dramatic Teton Range peaks, pristine alpine lakes, abundant wildlife, and extensive outdoor recreation opportunities.
• B. Bridger–Teton National Forest
  Bridger–Teton National Forest is a vast U.S. national forest in western Wyoming known for its rugged mountains, extensive wilderness areas, and abundant wildlife adjacent to Grand Teton and Yellowstone National Parks.
• C. Caribou-Targhee National Forest
  Caribou-Targhee National Forest is a large U.S. national forest spanning parts of Idaho, Wyoming, and Utah, known for its rugged mountains, diverse wildlife, and proximity to Yellowstone and Grand Teton National Parks.
• D. Bridger Wilderness
  Bridger Wilderness is a rugged, high-altitude wilderness area in western Wyoming’s Wind River Range, renowned for its dramatic granite peaks, alpine lakes, and extensive backcountry hiking and climbing opportunities.
• E. High Uintas Wilderness
  High Uintas Wilderness is a vast, high-elevation protected area in northeastern Utah known for its rugged alpine terrain, numerous glacial lakes, and the state's highest peak, Kings Peak.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.