answer: #Person1# sends a necklace to Mom on Mother's Day and they'll have dinner at home.
documents: #Person1#: Mom, happy Mother's Day! A necklace for you.
  #Person2#: What a surprise! This is the best present I've ever received.
  #Person1#: Thank you for your love and care over the years. I love you so much.
  #Person2#: I love you, too.
  #Person1#: How about a dinner tonight? My treat.
  #Person2#: Actually, I prefer to eat at home, and then we'll have more time to have a chat.
  #Person1#: All right. Let me prepare the supper.