Given the following reasoning and answer, what was the question? Three people are using a pulley to move a heavy cylindrical object.
 The answer: yes
The question Premise: "Three people work to move a heavy cylindrical object with pulleys."
Based on this premise, can we conclude that the hypothesis "People are using a pulley to move a heavy object." is true?
Options:
- yes
- it is not possible to tell
- no