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.
Freedom Tower is scheduled to be finished by 2008.
The tower is scheduled to be finished by the end of 2008, not by 2008.
( z1 schedule :ARG1 ( z2 finish :ARG1 ( z3 building :name ( z4 name :op "Freedom" :op "Tower" ) ) ) :ARG3 ( z5 by :op ( z6 date-entity :year 2008 ) ) )