Given the question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. St Mary's Church Portbury -  St Mary's Church in Portbury Somerset England is an Anglican parish church close to the M5 motorway. It is a Grade I listed building.It dates from the 12th century with alteration and extension in the 13th and restoration between 1870 and 1875. It has a Norman doorway and grand fifteenth century porch.
The answer is:
Building