Ten children—Anna, Bob, Charles, Don, Emily, Frank, Gina, Hank, Irene, and Jane—are comparing their heights.
Jane is taller than Don.
Hank and Irene are the same height and both are shorter than Don.
Irene is taller than Bob.
Both Anna and Emily are taller than Gina.
Both Charles and Frank are shorter than Gina.
If Gina is the same height as Irene, then which one of the following can be false?