answer: #Person1# is late and Ben's party will start at two. #Person1# will help to prepare for it.
documents: #Person1#: Hey, where is everybody?
  #Person2#: They took Ben to the park. Where have you been?
  #Person1#: Sorry, I'm late. I picked up the cake and it took me longer than I expected. When will the party start?
  #Person2#: Ben invited eight children from school. And they'll arrive at about 2 in the afternoon.
  #Person1#: OK. Then I'll put the candles on the cake and leave it in the kitchen and then I'll come and help set the table.