Given the sentence "Three construction workers stand over a job site wearing ragged and tattered clothing while a man and woman pass behind them and a large pill of dirt and debris sit in front." is it true that "Three guys are whistling to the people passing behind them."? Now, let's be accurate as possible. Some thinking first:
Three workers on construction site need not be whistling to the man and woman passing behind them. So, the answer is it is not possible to tell.