Explanation:

- Combat sport: This involves one-on-one contests where participants use strength, strategy, and skills against each other, like boxing or wrestling.

- Martial arts: These are systems of combat practices for self-defense, physical fitness, and mental discipline, such as karate or judo.

- Aquatic sport: These are sports that take place in or on the water, like swimming or synchronized diving.

- Diving is an aquatic sport as it involves performing acrobatics while jumping or falling into the water.

- Defensive sport: This type involves strategies focused on preventing the opponent from scoring, often seen in team sports. Diving isn't classified here.