Political leaders pledged that construction of the so-called Freedom Tower -- which will rise 1,776 feet into the air and be the world's tallest building -- will be finished on schedule by the end of 2008.
It is impossible for a tower to be taller than 1770 feet.
( z1 possible :polarity - :ARG1 ( z2 have-degree :ARG1 ( z3 tower ) :ARG2 ( z4 tall ) :ARG3 ( z5 more ) :ARG4 ( z6 distance-quantity :quant 1770 :unit ( z7 foot ) ) ) )