npro{SUBJ}+V{PRED}non-contrastivewho? (non-contrastive, i. e. not: "which of these listed possible subjects") but typically: whoever? what kind of person?
npro{SUBJ}+V{PRED}rhetorical questionwhoever? i.e. no one
npro{SUBJ}+V{PRED}V=compwho is the more V
nproquestionwho among them?, which one?; (contrastive) who?
1. The negative polarity item "any" has no parallel in Chinese. But certain uses of the word are expressed by the repeated question particle shú 孰. I note this only as a hint for future research.