Yes, but you see now, with enought details added, second question doesn`t seem to make a lot of sense. “Which” in the question implies that Bob is just on one of the lists, but most likely he isn’t. That being said, natural language does not correspond 1:1 to math or statistics. Some ambiguities are expected and a lot of sentences are up for interpretation. Now who is to say that second question you prodived is the correct way to interpret the original problem, and first one is not? First is at least coherent, while second is condradicting itself.
Yes, but you see now, with enought details added, second question doesn`t seem to make a lot of sense. “Which” in the question implies that Bob is just on one of the lists, but most likely he isn’t. That being said, natural language does not correspond 1:1 to math or statistics. Some ambiguities are expected and a lot of sentences are up for interpretation. Now who is to say that second question you prodived is the correct way to interpret the original problem, and first one is not? First is at least coherent, while second is condradicting itself.