TASK DEFINITION: In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to write a question that clarifies the given question in such a way that the generated question has one unique answer.
PROBLEM: What was the last movie julia roberts was in?

SOLUTION: What was the last movie julia roberts was in in 2017?

PROBLEM: Where does the umbilical vein enter the circulation of the fetus?

SOLUTION: Where does less than a third of the blood from the umbilical vein enter the circulation of the fetus?

PROBLEM: Where does eastern time zone change to central?

SOLUTION:
Where in the midwest does the eastern time zone change to central?