Answer:
interior angle = 3
exterior angle = 1
Other answers are possible.
Explanation:
Think of a pair of metal rails for a train track. The rails don't have to be parallel, as indicated in this diagram. The interior angles are between the metal rails. The exterior angles are outside the metal rails.
The interior angles are: 3, 4, 5, 6
The exterior angles are: 1, 2, 7, 8