Question

I really don't understand this. Can someone please give me an explanation and answer, so i will under stand how to do it.THANK YOU!

At an auto show, a car dealer asked the first 10 visitors their ages and the kinds of cars they own. The Venn diagram shows the details.

http://learn.flvs.net/webdav/assessment_images/educator_algebra1_v14/03_11_26.jpg

Based on the diagram, which of the following represents the ages of car owners in the set (A ∩ B) ∪ (~A ∩ C) ? a.{28, 29, 33, 47, 56}
b.{28, 29, 32, 47, 56}
c.{28, 29, 32, 33, 47, 56}
d.{28, 29, 33, 37, 47, 56}