The third hypothesis is that a third party who has an ax to grind with both Luo and Liao planned the whole thing to frame Luo and teach Liao a lesson, and thus kill two birds with one stone.
第三種說法則是與羅、廖兩人都有仇的第三者所犯，意圖嫁禍羅福助，順便修理一下廖學廣。