Big Lost River basin

Target entity: Big Lost River basin
Context triple: [Pioneer Mountains (Idaho), drainageBasin, Big Lost River basin]

• A. Son River basin
  The Son River basin is a major river drainage area in central and eastern India, encompassing parts of Madhya Pradesh, Chhattisgarh, Uttar Pradesh, Jharkhand, and Bihar, and serving as an important tributary system of the Ganges.
• B. Cheat River basin
  The Cheat River basin is a watershed in the Allegheny Mountains of West Virginia and Pennsylvania that collects runoff from highland areas, including Cheat Mountain, before draining into the Monongahela River system.
• C. Tonto Creek watershed
  The Tonto Creek watershed is a drainage basin in central Arizona that collects and channels water from surrounding mountains through Tonto Creek toward the Salt River system.
• D. Colusa Basin Drain
  Colusa Basin Drain is an engineered waterway in California that collects agricultural drainage and floodwaters from the Colusa Basin and conveys them toward the Sacramento River.
• E. Acelhuate River basin
  The Acelhuate River basin is a watershed in central El Salvador that drains much of the San Salvador metropolitan area and is known for severe urban pollution and flood risk.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Big Lost River basin
Target entity description: The Big Lost River basin is a semi-arid, internally drained watershed in south-central Idaho known for its disappearing river that sinks into the Snake River Plain aquifer rather than reaching the ocean.

• A. Son River basin
  The Son River basin is a major river drainage area in central and eastern India, encompassing parts of Madhya Pradesh, Chhattisgarh, Uttar Pradesh, Jharkhand, and Bihar, and serving as an important tributary system of the Ganges.
• B. Cheat River basin
  The Cheat River basin is a watershed in the Allegheny Mountains of West Virginia and Pennsylvania that collects runoff from highland areas, including Cheat Mountain, before draining into the Monongahela River system.
• C. Tonto Creek watershed
  The Tonto Creek watershed is a drainage basin in central Arizona that collects and channels water from surrounding mountains through Tonto Creek toward the Salt River system.
• D. Colusa Basin Drain
  Colusa Basin Drain is an engineered waterway in California that collects agricultural drainage and floodwaters from the Colusa Basin and conveys them toward the Sacramento River.
• E. Acelhuate River basin
  The Acelhuate River basin is a watershed in central El Salvador that drains much of the San Salvador metropolitan area and is known for severe urban pollution and flood risk.
• F. None of above. chosen