Question: Were the buildings at 270 Park Avenue and 100 East 53rd Street both designed by Natalie de Blois?
Related documents: [0]  [DOC] 100 East 53rd Street (formerly known as 610 Lexington Avenue) is a residential skyscraper under construction in Midtown Manhattan, New York City. The building’s architect is Norman Foster. Upon completion, it will rise 64 stories or 711 ft . It was supposed to feature a Shangri-La Hotel and condos but as a result of the financial crisis that began in 2007 and the downturn in the residential real estate market, the building's construction was put on indefinite hold in 2009 and the hotel idea was later abandoned. In March 2012, Aby Rosen and Michael Fuchs of RFR Holding LLC regained control of the site, and announced their intentions to carry on with the project. Excavation work began in early 2014. The building topped out on January 13, 2016. It should be complete by spring 2017, according to a 2015 update. The building will feature 94 condominium units including, one-bedrooms, two-bedrooms, three-bedrooms, and two four bedroom duplexes. [END] 
[1]  [DOC] 270 Park Avenue (also known as the JPMorgan Chase Tower and formerly the Union Carbide Building) is a high-rise office building located in Midtown Manhattan, New York City. It was designed by Natalie de Blois for Skidmore, Owings & Merrill. [END] 
Answer: 
no
no