Both got4 and Gemini answered this variation correctly: one pound of potatoes vs. one pound in paper British currency: which of these is heavier? However gpt4

Both got4 and Gemini answered this variation correctly: one pound of potatoes vs. one pound in paper British currency: which of these is heavier? However gpt4 does better with the more ambiguous version pointing out the ambiguity: one pound of potatoes vs. one pound in paper currency: which of these is heavier?