system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Which of these sports involve a ball: swimming, baseball, javelin, hockey, cycling, high jump, tennis, , netball, basketball, and handball.


assistant
Hockey, tennis, baseball, basketball, netball, and handball involve a ball. High jump, javelin, swimming, and cycling do not involve a ball.