If I had to choose a pet , it would be a cat . I used to have some cats . I am a huge cat fanatic . I used to have one named Diamond that was so unique that I just loved her .

Based on the preceding passage, choose your answer for question What may be my favorite type of pet ?
Choose from:
[I] None of the above choices ..
[II] dog.
[III] hamster.
[IV] cat.
The answer is:
[IV]