Triangles L K N and P Q M are shown. Sides K L and Q P are congruent. Angles L K N and P Q M are right angles.
What additional information is needed to prove that the triangles are congruent using the ASA congruence theorem?

NL ≅ MP
NK ≅ MQ
AngleN ≅ AngleM
AngleL ≅ AngleP