Question: Which building contains more square feet, 50 Hudson Yards or 15 Penn Plaza?

<P0-S0> 50 Hudson Yards is a building being planned as part of the Hudson Yards Redevelopment Project in Hell's Kitchen, Manhattan. <P0-S1>  The planned building is to be located to the north of 30 Hudson Yards, and on the east side of the Hudson Park and Boulevard, adjacent to 55 Hudson Yards. <P0-S2>  It will total 2.9 million square feet of commercial space. <P0-S3>  At the SW corner of 34th Street and 10th Avenue, it will replace the drive-thru McDonald's that had long-occupied the space. <SEP> <P1-S0> 15 Penn Plaza, also known as the Vornado Tower, is a proposed 68-story tower in the Midtown Manhattan section of New York City planned by Vornado Realty Trust. <P1-S1>  It would have 430 units and 2,050,000 square feet (190,451 m²) of floor space. <P1-S2>  The Hiller Group is the designer. <P1-S3>  Despite only having 68 floors, it would be just 10 m shorter than the Empire State Building, which has 102 floors. <SEP> <P2-S0>  The Karkhanis or Superintendent of the fort was a Prabhu. <P2-S1>  The assailants could either come up the spur towards the north entrance or they might attempt the spurs on the other side of the eastern ravine and attack the southern gateway. <P2-S2>  The path up the hill side, which is steep but with grass and soil left in Man y places, is almost destroyed. <P2-S3>  Facing nearly north, about fifty yards from the north-east angle, is a gateway with a couple of curtains in solid masonry. <P2-S4>  Next to it on the south is a small pond evenly cut and lined with mortar used for storing water. <P2-S5>  The cone with the walls on it is seen from a great distance and appears very small indeed. <P2-S6>  It consisted as usual of a pointed arch, the top fallen in, about ten feet high by five broad. <P2-S7>  The walls of this upper citadel are still in tolerable preservation. <P2-S8>  Immediately east of this and below it is a great pit about thirty feet square and equally deep roughly cut in the rock and said by the people to be a dungeon. <P2-S9>  This entrance is cut in the sides of the cliff about twenty feet below the top which is reached by some dozen steps. <P2-S10> The hill rises about 250 feet above the level of the plateau, which itself constitutes the summit of the Mahadev range at this point. <P2-S11>  The Panvan plateau completely commands Maan, Maharashtra and almost overhangs it. <P2-S12>  On the south-west the outer wall or enceinte is entered by a rude gateway of a single pointed arch about eight feet high and five feet broad. <P2-S13>  The walling on the south side, from the edge of the cliff to some hundred yards east of the southern gate, is not more than a couple of feet in thickness and consists of all-fitting stones unmortared. <P2-S14>  The upper citadel is above a vertical scarp some thirty feet high. <SEP> <P3-S0> 55 Hudson Yards (also known as One Hudson Yards or One Hudson Boulevard) is a future tower just outside the Hudson Yards Redevelopment Project. <P3-S1>  Located in Chelsea, Manhattan, it will add a combined 4000000 sqft of space to the Hudson Yards project, along with 50 Hudson Yards, even though the two buildings will be located outside of the redevelopment site itself.