Kate decides to take her bike for a few spins around the neighborhood. What exercise is Kate engaging in?

Kate is engaging in the exercise of cycling.

Kate is engaging in cardiovascular exercise when she takes her bike for a few spins around the neighborhood.

To determine the exercise in which Kate is engaging, we need to understand the type of physical activity she is performing. In this case, Kate is taking her bike for a few spins around the neighborhood. The exercise she is participating in is cycling.