I guess you could try counting up and comparing the total lies implied by each origin, but the volume is so high that seems pointless to me. Their strategy seems more like a general fog of confusion to me than a particular story intended to be believed.
https://www.globaltimes.cn/content/1181292.shtml (USA, misidentified as vape lung)
https://www.globaltimes.cn/content/1183658.shtml (something with Fort Detrick)
https://www.globaltimes.cn/page/202101/1214376.shtml (not the Huanan market, maybe imported seafood)
I guess you could try counting up and comparing the total lies implied by each origin, but the volume is so high that seems pointless to me. Their strategy seems more like a general fog of confusion to me than a particular story intended to be believed.