Triple

Target entity: Space Shuttle Columbia
Context triple: [Maurizio Cheli, spaceflight, Space Shuttle Columbia]

• A. Space Shuttle Columbia chosen
  Space Shuttle Columbia was NASA’s first operational space shuttle orbiter, notable for pioneering reusable spacecraft missions and tragically disintegrating during reentry on the STS-107 mission in 2003.
• B. Space Shuttle Challenger
  Space Shuttle Challenger was a NASA orbiter best known for its tragic 1986 in-flight breakup shortly after launch, which killed all seven astronauts aboard and profoundly impacted the U.S. space program.
• C. Space Shuttle Discovery
  Space Shuttle Discovery is a retired NASA orbiter best known for launching the Hubble Space Telescope and conducting numerous key missions in the Space Shuttle program.
• D. Space Shuttle Atlantis
  Space Shuttle Atlantis was a NASA orbiter that flew numerous missions from 1985 to 2011, including the final flight of the Space Shuttle program.
• E. Space Shuttle Endeavour
  Space Shuttle Endeavour was NASA’s fifth and final operational space shuttle orbiter, built as a replacement for Challenger and flown on numerous missions including satellite deployments and construction flights to the International Space Station.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.