President Trump hates the North American Free Trade Agreement. But that’s where the certainty ends. A lack of clarity over how he wants to renegotiate it has forced stakeholders to scramble to figure out what parts they want changed and what parts they want to defend.

Trump demonstrated how unpredictable he could be in mid-April, when he was poised to announce that America was pulling out of the agreement, which was struck with Canada and Mexico a quarter-century ago. The president has long argued that the U.S. got the short end of the deal that was finalized in 1993 and implemented in 1994 during the Clinton presidency.