In the diagram, which pair of angles are alternate interior angles?

A transversal intersects 2 lines to form 8 angles. Clockwise from the top, the angles are 1, 2, 3, 4; 5, 6, 7, 8.
Angle 2 and Angle 5
Angle 1 and Angle 7
Angle 5 and Angle 3
Angle 7 and Angle 4