Triple

Target class: surface feature of Mars
Context triple: [Valles Marineris, instanceOf, surface feature of Mars]

• A. lunar surface feature
  A lunar surface feature is any distinct physical formation or characteristic on the Moon’s exterior, such as craters, maria, mountains, rilles, or valleys, identifiable by its shape, size, and location.
• B. surface feature on Titan
  A surface feature on Titan is any distinct physical formation or pattern on Saturn’s moon—such as dunes, lakes, channels, or impact craters—shaped by its icy crust, hydrocarbon liquids, and atmospheric processes.
• C. mare on Titan
  A mare on Titan is a broad, dark, and relatively smooth lowland region on Saturn’s moon Titan, analogous to lunar maria, likely formed by ancient liquid or cryovolcanic processes.
• D. planet
  A planet is a large, roughly spherical celestial body that orbits a star, has sufficient mass for its gravity to maintain hydrostatic equilibrium, and has cleared its orbital neighborhood of other debris.
• E. geographical feature
  A geographical feature is a naturally occurring or human-made physical element of the Earth's surface, such as mountains, rivers, valleys, or roads, that can be distinctly identified and described.
• F. None of above. chosen