answer: #Person1# invites #Person2# to brainstorm for the party ideas to celebrate the 100th anniversary of the opening of the library.
documents: #Person1#: For the 100th anniversary of the opening of the library we are going to have a party. 
  #Person2#: That's a wonderful way to celebrate this grand old library! 
  #Person1#: I hoped you would be willing to brainstorm with me for party ideas. 
  #Person2#: That is right up my alley. You say party and I'm there. 
  #Person1#: Perfect. It will be open to the public and we anticipate roughly about five to seven hundred people. 
  #Person2#: Will it be an all day event? 
  #Person1#: Yes. And we checked with the city and we have permission to use the park adjacent to the library. 
  #Person2#: That was quick thinking.