Here's another example. In this one, the overlapping sets are a bit more spread out, but they still overlap.

Logic-CoffeeGirls2.gif
Note how Kristen and Fredrick are related in Clue 3. Their potential dollar amount values overlap at $4.70. Thus we can say:

$4.70 is either Kristen or Frederick.

Thus, with the exclusionary "X" at the intersection of Kristen and Fredrick, our clue tells us that $4.70 is not Henry or Minnie.

Here's the blank puzzle, because someone is going to want to do this themself:

Logic-CoffeeGirls1.gif