Triple

Target entity: Caribbean theater of the Spanish–American War
Context triple: [Battle of Las Guasimas, theater, Caribbean theater of the Spanish–American War]

• A. Caribbean theater of the Spanish–American War chosen
  The Caribbean theater of the Spanish–American War was the principal naval and land battleground between the United States and Spain in 1898, centered on operations around Cuba and Puerto Rico that decisively shaped the war’s outcome.
• B. Pacific theater of the Spanish–American War
  The Pacific theater of the Spanish–American War was the region of naval and colonial conflict in the western Pacific, centered on U.S. operations against Spanish forces in the Philippines and surrounding waters.
• C. Haitian Campaign
  The Haitian Campaign was a series of early 20th-century U.S. Marine Corps operations in Haiti during the American occupation, notable for counterinsurgency actions in which officers like Lewis B. Puller first distinguished themselves.
• D. Capture of Ponce
  The Capture of Ponce was a key 1898 U.S. military operation during the Spanish–American War in which American forces seized the strategic Puerto Rican port city of Ponce from Spain, helping secure control of the island.
• E. Battle of Guantánamo Bay
  The Battle of Guantánamo Bay was an 1898 Spanish–American War engagement in Cuba in which U.S. Marines and naval forces seized and secured the strategic harbor that later became the site of a long-term American naval base.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.