I want to know the answer to the following question:
In addition to the preparatory work from the drafting and negotiation of a treaty, what might arbiters review when resolving a dispute over the interpretation of a treaty?
All the background I'm provided with is that "To establish the meaning in context, these judicial bodies may review the preparatory work from the negotiation and drafting of the treaty as well as the final, signed treaty itself.". Is that enough to answer the question?