Question: Of the Wall Street Tower and 55 Hudson Yards, which one will add 4,000,000 sq ft of space?
Sentence (from "55 Hudson Yards"): 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.
Relevant evidence: Yes