Text: However, ideally, longer than 35 months would allow for all of the retrofits to occur over a period of several years so that facility owners can properly plan outages and suppliers can properly plan for resource availability.
Entailment: Suppliers are in a better state of planning regarding resource availability if given a timeline exceeding 35 months.
Contradiction: The most ideal time would be a period less than 35 months for all retrofits to occur.