Premise: Lincoln Memorial . It is located on the western end of the National Mall in Washington , D.C. , across from the Washington Monument . Washington Monument . Located almost due east of the Reflecting Pool and the Lincoln Memorial , the monument , made of marble , granite , and bluestone gneiss , is both the world 's tallest stone structure and the world 's tallest obelisk , standing 554 ft tall according to the National Geodetic Survey ( measured 2013 -- 14 ) or 555 ft tall according to the National Park Service ( measured 1884 ) .
Hypothesis: The Washington Monument is north of the Lincoln Memorial.
Label: CONTRADICTION