dialogue: #Person1#: What about taking a tour around Cambridge today?
  #Person2#: I did that with a friend yesterday.
  #Person1#: But didn't you say you would go to the London Eye yesterday?
  #Person2#: My friend had already been there, so I changed my plan. Today I want to see some modern art work.
  #Person1#: If so, you can go to Tate Modern. It's a museum with a collection of international artwork from the nineteen hundreds.
  #Person2#: Do many people visit it?
  #Person1#: Yes, it's very popular. But don't worry, it's usually not crowded on weekdays. If you go tomorrow though, there're maybe a lot of people.
summary: #Person1# suggests visiting Cambridge, but #Person2# went there yesterday. #Person2# wants to see some modern artwork so #Person1# recommends Tate Modern.
topic: visit London