I need help on this question ASAP. Please.

r and s are parallel
given ∠4 = ∠5 ( these are congruent interior alternate angles )
between the lines r and s, hence
r and s are parallel lines
If ∠4 ≅ ∠5, then l is the transversal,
so r || s by the Converse Alternate Interior Angles Theorem.