The complex consists of a 48-story main office building, a 34-story annex, the Metropolitan Assembly building, and a huge central courtyard.
There is no annex or office building inside the complex. 
mnli hypothesis: There is no annex or office building inside the complex.  premise: The complex consists of a 48-story main office building, a 34-story annex, the Metropolitan Assembly building, and a huge central courtyard.