The figure shown has two parallel lines cut by a transversal:
 A pair of parallel lines is shown, crossed by a transversal. Angles are identified as 1, 2, 3, 4, 5, 6, 7, and 8. Angles 1-4 are on the top line clockwise from upper left. Angles 5-8 are on the lower line clockwise from upper left. 
 Use the figure to complete the sentence.
 ∠6 and ____ are corresponding angles.
 ∠2
 ∠3
 ∠7
 ∠8