Consider the question. Premise: "These are some very large onions."
Based on this premise, can we conclude that the hypothesis "The medium onions are the same size as the large ones." is true?
Options:
- yes
- it is not possible to tell
- no
 What is the step-by-step reasoning process to arrive at the answer: it is not possible to tell?
The onions may not be medium and they could be smaller than the large onions.