Task: Question Answering
Input (English): Passage: International tribunals and arbiters are often called upon to resolve substantial disputes over treaty interpretations. 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. Question: For what purpose might an international tribunal review the preparatory work from the negotiation and drafting of a treaty?
Output (English): To establish the meaning in context