Provide the theme summaries for the following conversation: 

#Person1#: This is Jack speaking. Who is this?
#Person2#: This is Jenny, Jack. Could you help me?
#Person1#: Certainly. What is the matter?
#Person2#: My sister had an argument with me yesterday because I lost her lovely pet cat. She was really mad at me. And she hasn't talked to me for a whole day.
#Person1#: Oh, Jenny. In fact, you're the one who made a mistake.
#Person2#: Yes, I know that. But what should I do to make her happy?
#Person1#: If I were you, I'd say sorry to her first and then get her another cat.
#Person2#: That's a good idea. But I don't have.., enough money.
#Person1#: Oh, don't worry. I've got some. I can lend some to you.
#Person2#: That's very kind of you.

Summary: 
Jenny's sister was mad at Jenny because Jenny lost her pet cat. Jack thinks Jenny should apologize first and get her another cat. Jack offers to lend money to Jenny.