Context: We took ourselves off to the museum , delightfully cool in the aircon - it 's around 35 outside . I was inspired by the olympic swimming and rushed into the refreshing river , picking my way through broken glass . Dinner was going to be at a nice hotel as a special treat but low and behold , no food . They were cleaning .
Question: Why was there broken glass in the swimming pool ?
Option 0: Someone played a prank on the swimmers at the pool by putting broken glass in it
Option 1: None of the above choices .
Option 2: They put glass in the swimming pool to deter people from swimming there
Option 3: They use broken glass as a deterrent to prevent people touching the bottom of the pool
Answer: 1