answer: #Person1# cannot visit the square due to the bad weather. #Person2# suggests #Person1# visit the museum.
documents: #Person1#: Do you think the bad weather will last long? 
  #Person2#: I don't think so. It changes so quickly this time. 
  #Person1#: I hope so. We have planed to visit the square but we have to cancel it. 
  #Person2#: I think you can go to visit the museum. It's worth seeing. You can go to the square some other time. 
  #Person1#: Good idea. Thanks a billion.