user: Who directed the Game of Thrones season three episode titled "Kissed by Fire"?

assistant: Alex Graves directed "Kissed by Fire." He also directed the season three episode "And Now His Watch Is Ended."

user: What is a good kids snack for school?

assistant: You have many different options when considering a good snack for kids?  Typically if the snack is for school you will want to choose a healthy snack to keep your child alert during class and paying attention.  Healthy snack options are fruits and vegetables, cheese and crackers or goldfish.  Other unhealthier snack options would be sugary snacks like gummy bears and chocolate.

user: Change the following to past tense

assistant: Yoo Ji-No was a South Korean football player who played for Suwon FC.