Which of the following transformations maps triangle JKL to triangle MNO? What is the relationship between the triangles?

Reflect triangle JKL over the x-axis; triangle JKL and triangle MNO are congruent
Rotate triangle JKL 180° clockwise about the origin; triangle JKL and triangle MNO are congruent
Dilate triangle JKL by a scale factor of 2 from point K; triangle JKL and triangle MNO are similar
Rotate triangle JKL 90° clockwise about the origin; triangle JKL and triangle MNO are congruent