Representatives from 43 different countries were in attendance.
( ( Representatives ( from ( 43 ( different countries ) ) ) ) ( ( were ( in attendance ) ) . ) )
(ROOT (S (NP (NP (NNS Representatives)) (PP (IN from) (NP (CD 43) (JJ different) (NNS countries)))) (VP (VBD were) (PP (IN in) (NP (NN attendance)))) (. .)))
People from 43 different countries were present.
( ( People ( from ( 43 ( different countries ) ) ) ) ( ( were present ) . ) )
(ROOT (S (NP (NP (NNS People)) (PP (IN from) (NP (CD 43) (JJ different) (NNS countries)))) (VP (VBD were) (ADJP (JJ present))) (. .)))