{"criteria": {"c1": "not_met", "c2": "not_met", "c3": "not_met", "c4": "not_met", "c5": "not_met"}, "note": "The response proves Preservation, not Progress; values and canonical forms are not defined, congruence rules are only mentioned ('plus congruence rules') and not stated, and there is no induction on typing derivations showing a well-typed term is a value or steps."}