Task: Text Categorization
Input (English): Context: St Caian's Church Tregaian (sometimes referred to St Caean's Church Tregaean) is a small medieval church dating from the 14th century in Anglesey north Wales. It is dedicated to St Caian a Christian from the 5th or 6th century about whom little is known. The building contains a late 14th-century east window and a late 15th-century doorway.
Question: The document can be classified to which topic? 
Options: 1)Album, 2)Building, 3)NaturalPlace, 4)EducationalInstitution
Output (English): 2