The phrase "are contingent" implies that something is dependent on another thing happening or being true. Synonyms for this phrase include "depend on," "rely on," "hang on," "rest on," "hinge on," "be conditional on," "be subject to," "be based on," and "be controlled by." These words all suggest that the outcome of a situation or event is uncertain and can be influenced by other factors. It is important to note that understanding the contingencies of a situation can help one prepare for potential outcomes and create more effective plans.