Suppose you discovered that on your college campus, 6% of the female students were married and 4%

Question:

Suppose you discovered that on your college campus, 6% of the female students were married and 4% of the female students had at least one child.
a. From this information, is it possible to determine the percentage of female students who were married OR had a child?
b. If your answer to part a is no, what additional information would you need to answer this question?