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.
Example: Ok, the national drink of Scotland is whisky.
Example solution: assistant
Example explanation: It is pretty straightforward. It is knowledge sharing, and the assistant explains the question asked by the user.

Problem: London's gross regional product in 2016 was 408 billion, around a quarter of UK GDP, while the economy of the Londo Metropolitan area generates about 30 percent of the UK's GDP. London's largest industry is finance, and its financial exports make it a large contributor to the UK's balance of payments. London has five major business districts, which are the City, Westminster, Canary Wharf, Camden and Islington and Lambeth and Southwark.
Solution: assistant