这句话中的which代指的是哪一部分啊?

题目

这句话中的which代指的是哪一部分啊?
An attempt will be made to explore some of the current ESS tools and technologies,which might affect user performance.

答案

An attempt will be made to explore some of the current ESS tools and technologies,尝试去探讨一些当前的ESS工具和技术,which 这里指前面的整个句子,后半句意思：它会影响用户表现.（这里的“它（which ）”是指...