answer: Li Lei tells #Person1# the origin and the time of Easter and how they celebrate the day.
documents: #Person1#: Li Lei, can you tell me what the origin of Easter is?
  #Person2#: The Bible says that Jesus Christ was resurrected three days after he was crucified. People commemorate that at a festival called Easter.
  #Person1#: Oh, then when do you celebrate Easter?
  #Person2#: We celebrate it on the first Sunday after a full moon on or after the 21st of March.
  #Person1#: How do you celebrate it?
  #Person2#: We make a lot of Easter eggs and then paint some designs on them. We'll also go to church and pray.
  #Person1#: That sounds interesting.