Every Sunday , when we do not have a maid , my brother , my sister , and I rotate to wash the dishes in the breakfast . Today , it was my turn .

Based on the preceding passage, choose your answer for question Why is the narrator cleaning the dishes ?
pick from the following. (I) None of the above choices . (II) The narrator was looking to pitch in . (III) The narrator wanted to help others . (IV) The narrator was having their turn at cleaning .
The answer is:
(IV)