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.

Ex Input:
I'm sorry my resources do not provide this detail, but did you know the first rail line opened in 1865.

Ex Output:
assistant

Ex Input:
Except for a German weather station emplaced during the Second World War, these were the last Western expeditions to Franz Josef Land until 1990.

Ex Output:
assistant

Ex Input:
The US Virgin Islands are a group of islands in the archipelago near Puerto Rico in the Caribbean Sea.

Ex Output:
assistant