In this task, you are given a dialogue between a user and an assistant, where users and assistants converse about geographic topics like geopolitical entities and locations. The task here is to find if the dialogue is by the user or assistant. Classify your answers into user and assistant.

Well, in 2007 president Calderon and US president George W. Bush announced the Merida Initiative , plan of law enforcement cooperation between the two countries. IN 2008, Mexico contributed over 40 million dollars to the United Nations regular budget.
assistant