Use reasoning to lead to the answer of the following question:
What is required for someone to win when competing against someone else in ball?\nOptions:\n- edge\n- skill\n- luck\n- challenge\n- desire to win
 Reasoning process:
User
Skill is required for someone to win when competing because skill means the ability to do something well. Without skill, one may lose when competing against someone in ball. Therefore, the final answer is skill.
Assistant