Answer the following question: Gib Lewis Unit aka Lewis Unit is a Texas state prison located approximately one mile east of Woodville Texas United States. The prison is located on approximately 360 acres and is operated by the Texas Department of Criminal Justice Correctional Institutions Division administered within Region I. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Building