In this task, you are given a text which is the body of a document. You are given a question and options. Pick the correct number. Don't generate anything else apart from the numbers provided in options.

Context: The Alcan Lynemouth Aluminium Smelter is a mothballed industrial facility near Ashington Northumberland on the coast of North East England 0.65 mi (1.05 km) south of the village of Lynemouth. The smelter is owned by Canadian aluminium company Alcan which is part of Rio Tinto. The smelter was opened in 1974 at a cost of 54 million. It ceased production in March 2012.
Question: The document can be classified to which topic?
Options: 1)EducationalInstitution, 2)Building, 3)WrittenWork, 4)Artist
2