( ( Venezuelan ( law ( enforcement authorities ) ) ) ( ( ( seized ( ( 7.3 ( metric tons ) ) ( of cocaine ) ) ) ( in 1998 ) ) . ) )
(ROOT (S (NP (JJ Venezuelan) (NN law) (NN enforcement) (NNS authorities)) (VP (VBD seized) (NP (NP (CD 7.3) (JJ metric) (NNS tons)) (PP (IN of) (NP (NN cocaine)))) (PP (IN in) (NP (CD 1998)))) (. .)))
Venezuelan law enforcement authorities seized 7.3 metric tons of cocaine in 1998.
(ROOT (S (NP (NP (NNP Archimedes) (POS ')) (NN law)) (VP (VBZ explains) (SBAR (WHADVP (WRB why)) (S (NP (NP (DT a) (NN ship)) (VP (VBG weighing) (NP (NP (NNS thousands)) (PP (IN of) (NP (JJ metric) (NNS tons)))))) (VP (VBZ floats) (PP (IN on) (NP (NN water))))))) (. .)))