Question

what did Patrick thinks his cat was playing with​

Answer 1

Answer: Patrick thought that his cat was playing with a little doll. It was, in fact, a very small-sized man, an elf. Answer: Patrick had saved the tiny man's life from the cat by not handing him back to the cat. So he promised to fulfill one wish of Patrick.

Answer 2

he first thought it was a doll but later he found that it was a dwarf man.