Task: Class Definition Understanding (ontology: Earth_Environment/EnvironmentOntology)

Which of the following definitions best describes 'automatic transmission fluid'?

A. A large the concept with parallel handles that emerge from the sides of its pouch.
B. A manufactured product which is a storage compartment with a lock.
C. Fluid used for valve operation, brake band friction, and gear lubrication within an automatic vehicle transmission.
D. A manufactured product consisting of a the concept on which control or monitoring instruments are set.

Answer: Fluid used for valve operation, brake band friction, and gear lubrication within an automatic vehicle transmission.