The measure to be applied is whether that party acted in such a way that a reasonable person concluded that it did not intend to fulfill its part of the contract. The General Court distinguished between, on the one hand, an agreement aimed at achieving a given result as well as possible and, on the other, an agreement aimed at doing everything in its power to reach an agreement on a substantial duration of the contract. The option agreement falls into the latter category. He also spoke briefly about the nature of an „essential matter”. In the case of MRI Trading, a shipping plan has been agreed between the parties; the Court of Appeal upheld an implied provision that the shipping plan was appropriate. The Commercial Court distinguished this case by the fact that a shipping plan was a „matter of routine” and that shipping plans had been agreed in the MRI trade in each of the previous two years (i.e.: 2.100,000,000,000.