Final answer:
The criterion met to classify the lease as a finance lease is that the lease term covers the major part of the economic life of the asset.
Step-by-step explanation:
The criterion that is met to classify the lease as a finance lease is that the lease term covers the major part of the economic life of the asset. In this case, the robot has a useful life of 5 years, and the lease contract spans from Dec 31, 2020, to Dec 31, 2023, which is a period of 4 years. This fulfills the criterion for the lease to be classified as a finance lease.