Triple

Target entity: Hale Telescope
Context triple: [Palomar Mountain, contains, Hale Telescope]

• A. Hale Telescope chosen
  The Hale Telescope is a historic 200-inch reflecting telescope at Palomar Observatory in California that was once the world’s largest and remains a landmark instrument in observational astronomy.
• B. 100-inch Hooker telescope
  The 100-inch Hooker telescope is a historic reflecting telescope at Mount Wilson Observatory, famous for Edwin Hubble’s observations that revealed the expanding universe and established galaxies beyond the Milky Way.
• C. Lovell Telescope
  The Lovell Telescope is a large radio telescope at Jodrell Bank Observatory in England, renowned for its pioneering role in radio astronomy and space tracking since the mid-20th century.
• D. Dall–Kirkham telescope
  The Dall–Kirkham telescope is a reflecting telescope design that uses an elliptical primary mirror and spherical secondary mirror to provide good on-axis performance with relatively simple, economical optics.
• E. Harlan J. Smith Telescope
  The Harlan J. Smith Telescope is a 2.7-meter optical telescope at McDonald Observatory in Texas, used for a wide range of astronomical research including stellar, galactic, and exoplanet studies.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.