Multiple Choice Question

$(1)$ Due in less than $4$ hours

When Ashon comes home from work every day, he opens the garage door and pulls his car into the garage. His dog, Spot, hears the noise of the garage door opening and the car entering the garage before Ashon comes through the garage door. Now, when Spot hears the garage door open, Spot runs to the garage door to greet Ashon. This is an example of ${?}^{**}$