Answer:
Statement | Reason
MNOP is a parallelogram | Given
PM ║ ON | Definition of a parallelogram
∠PMO ≅ ∠MON | Alternate interior angles theorem
MN ║ PO | Definition of a parallelogram
∠POM ≅ ∠MNO | Alternate interior angles theorem
ΔMNO ≅ ΔPOM | ASA postulate
PM ≅ ON | CPCTC