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

Which of the following definitions best describes 'nerve of head region'?

A. The the concept is the lowest layer of an atmosphere which is strongly influenced by its contact with a planetary surface with strong vertical mixing and in which physical quantities such as flow velocity, temperature, and moisture display rapid fluctuations (turbulence).
B. A spring whose flow is continuous.
C. A nerve that is part of the trunk region of the body (not to be confused with a nerve trunk).
D. A nerve that is part of a head.

Answer: A nerve that is part of a head.