2013 Boston Marathon bombing

Target entity: 2013 Boston Marathon bombing
Context triple: [Boston Marathon, notableIncident, 2013 Boston Marathon bombing]

• A. Boston Marathon
  The Boston Marathon is the world’s oldest annual marathon and one of the most prestigious long-distance running races, attracting elite and amateur runners from around the globe each Patriots’ Day.
• B. Chappaquiddick incident
  The Chappaquiddick incident was a 1969 car accident on Chappaquiddick Island involving Senator Edward M. Kennedy that resulted in the death of Mary Jo Kopechne and had lasting political repercussions for Kennedy's career.
• C. Haymarket affair
  The Haymarket affair was an 1886 labor protest and bombing in Chicago that became a pivotal moment in the history of workers’ rights and the labor movement in the United States.
• D. Benghazi
  Benghazi is a major port city in eastern Libya that has historically served as a key political, economic, and cultural center of the country.
• E. September 11 attacks
  The September 11 attacks were a series of coordinated terrorist hijackings and suicide attacks carried out by al-Qaeda against targets in the United States in 2001, resulting in massive loss of life and global political and security repercussions.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: 2013 Boston Marathon bombing
Target entity description: The 2013 Boston Marathon bombing was a terrorist attack in which two homemade bombs exploded near the marathon’s finish line, killing three people and injuring hundreds.

• A. Boston Marathon
  The Boston Marathon is the world’s oldest annual marathon and one of the most prestigious long-distance running races, attracting elite and amateur runners from around the globe each Patriots’ Day.
• B. Chappaquiddick incident
  The Chappaquiddick incident was a 1969 car accident on Chappaquiddick Island involving Senator Edward M. Kennedy that resulted in the death of Mary Jo Kopechne and had lasting political repercussions for Kennedy's career.
• C. Haymarket affair
  The Haymarket affair was an 1886 labor protest and bombing in Chicago that became a pivotal moment in the history of workers’ rights and the labor movement in the United States.
• D. Benghazi
  Benghazi is a major port city in eastern Libya that has historically served as a key political, economic, and cultural center of the country.
• E. September 11 attacks
  The September 11 attacks were a series of coordinated terrorist hijackings and suicide attacks carried out by al-Qaeda against targets in the United States in 2001, resulting in massive loss of life and global political and security repercussions.
• F. None of above. chosen