what are the alternate angle pairs in the picture below ?

Given:
is the transversal that intersects the lines r and s.
Required:
Pairs of alternate exterior angles.
Explanation:
Line q intersects the lines r and s.
The alternate exterior angles are,
[tex]\angle2\text{ and }\angle8\text{ , }\angle1\text{ and }\angle7[/tex]Answer:
Thus the required answer is option 2.