Across from the library is the 73-story Library Tower, (an office building), the tallest building on the West Coast, designed by I. M. Pei.
The library is located on the top of the 73-story tower.
mnli hypothesis: The library is located on the top of the 73-story tower. premise: Across from the library is the 73-story Library Tower, (an office building), the tallest building on the West Coast, designed by I. M. Pei.