Item 4.4.4.b.
Because a number of these friends dated there are also conflicts between friends of the same gender, listed below. Now what is the smallest number of conflict-free cars they could take to the cabin?
Friend | A | B | C | D | E | F | G | H | I | J |
Conflicts | CFJ | J | AEF | H | CFG | ACEGI | EFI | D | AFG | B |