Answer the following question: Information:  - Charles Rennie Mackintosh (7 June 1868  10 December 1928) was a Scottish architect, designer, water colourist and artist. His artistic approach had much in common with European Symbolism. His work, alongside that of his wife Margaret Macdonald, was influential on European design movements such as Art Nouveau and Secessionism. He was born in Glasgow and died in London.  - Art Nouveau (Anglicised to ) is an international style of art, architecture and applied art, especially the decorative arts, that was most popular between 1890 and 1910. A reaction to the academic art of the 19th century, it was inspired by natural forms and structures, particularly the curved lines of plants and flowers.  - The House for an Art Lover is a building constructed in 1989 - 96 , based on a design of 1901 by Charles Rennie Mackintosh with his wife , Margaret MacDonald . The building is situated in Bellahouston Park in Glasgow , Scotland . The idea to actually construct the house from the Mackintoshs ' designs came from Graham Roxburgh , a civil engineer in Glasgow who had done refurbishment work on the Mackintosh interiors in Craigie Hall . The house is a venue for art exhibitions and other events , as well as being itself a visitor attraction .    What object entity has the relation of 'architectural style' with the subject 'house for an art lover'?   Choices: - art nouveau  - international style
Answer:
art nouveau