Select the correct answer from each drop-down menu.
Replace the words in bold with an antonym that fits the context of the passage.
The Future of Cycling

What if there were no rules for racing bike design? That is a question that is being explored by one bicycle designer that uses technology to diminish
the ride experience. The brain of the bike is the rider's own smartphone, which operates apps such as a navigation system, brake lights, turn signals, calorie burn, and a communication system that warns drivers when they get too close. To improve incompetence
, the bike includes a small, e-powered motor that shuts off once the bike has reached a selected speed and the rider takes over. Rather than man versus machine, this bike is truly an example of man and machine.