新GRE AW的ISSUE题库中有很多题干相同,但是task instruction不一样,这些题要怎么处理呢?

新GRE AW的ISSUE题库中有很多题干相同,但是task instruction不一样,这些题要怎么处理呢?
例如,题干：A nation should require all of its students to study the same national curriculum until they enter college.task instruction1：Write a response in which you discuss the extent to which you agree or disagree with the recommendation and explain your reasoning for the position you take.In developing and supporting your position,describe specific circumstances in which adopting the recommendation would or would not be advantageous and explain how these examples shape your position.task instruction2：Writea response in which you discuss the extent to which you agree or disagree with the claim.In developing and supporting your position,be sure to address the most compelling reasons and/or examples that could be used to challenge your position.
这样两种要求分别要怎么写呢,“challenge your position”怎么处理?