Xiaobai, a reporter from the Culture News, went to a city on Thursday to interview Professor Chen and researcher Wang  The next day, a colleague Xiao Li asked Xiaobai, did you interview those two scholars yesterday? Xiaobai said, No, it's not that smooth
Xiao Li asked, so, you haven't interviewed any of them? Xiaobai said, No
Xiaobai interviewed one of them, but did not interview the other