WHICH pron.
nterrogative pronoun, used both substantively and adjectively, and in direct and indirect questions, to ask for, or refer to, an individual person or thing among several of a class; as, which man is it which woman was it which is the house he asked which route he should take; which is best, to live or to die See the No…
WHO pron.
lural. See the Note under What, pron., 1. As interrogative pronouns, who and whom ask the question: What or which person or persons Who and whom, as relative pronouns (in the sense of that), are properly used of persons (corresponding to which, as applied to things), but are sometimes, less properly and now rarely, use…