content: the fisher 's son did as the woman told him , and everything happened just as she had said . but at parting the second sister said to him , as she gave him another pair of shoes : ' go to my third sister , for she has a son who is keeper of the birds of the air , and sends them to sleep when night comes . he is very wise , and perhaps he can help you . ' then the young man thanked her , and went to the third sister .
answer: she has a son who is keeper of the birds of the air , and sends them to sleep when night comes .
question: why did ian need to go meet the third sister ?
target: why did ian need to go meet the third sister ?
references: why did ian need to go meet the third sister ?