这个数据对我们的讨论很重要，请确保它是相关的。

This data is important for our discussion, please make sure it's ___relevant.

老师在课堂上只讲与考试相关的内容。

The teacher only covers ___relevant material for the exam in class.

请只提供与讨论主题相关的信息。

Please provide only ___relevant information to the topic being discussed.