sentence2_structure: The primary motor cortex<>is located<>in the frontal lobe of the brain
sentence1: This Reticular Activating System is very capable of generating dynamic effects on the activity of the cortex, including the frontal lobes, and the motor activity centers of the brain.
sentence2: The primary motor cortex is located in the frontal lobe of the brain.
question: The primary motor cortex is located in which lobe of the brain?