The conversation between human and AI assistant.
[|Human|] Summarize the text to 50 words. Output should contain only one sentence.
[|AI|] The Colcord Hotel is a historic 19-story building in Oklahoma City since 1911, known for being the tallest, most modern and fashionable skyscraper west of the Mississippi River, with advanced features like steam elevators, electricity and fireproofing.
[|Human|] 
Summarize the text to 50 words. Output should contain only one sentence.