Complex sentence: The bookstore was also a hideout for Chinese revolutionaries on the run from the Kuomintang, such as Guo Murou who hid in the bookstore while being chased by the KMT.
Split into simpler sentences: The bookstore was also a hideout for Chinese revolutionaries on the run from the Kuomintang. Such as Guo Murou who hid in the bookstore while being chased by the KMT.