He decided to make a brief statement from the school before leaving for the airport.
( He ( ( decided ( to ( ( ( make ( a ( brief statement ) ) ) ( from ( the school ) ) ) ( before ( leaving ( for ( the airport ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD decided) (S (VP (TO to) (VP (VB make) (NP (DT a) (JJ brief) (NN statement)) (PP (IN from) (NP (DT the) (NN school))) (PP (IN before) (S (VP (VBG leaving) (PP (IN for) (NP (DT the) (NN airport)))))))))) (. .)))
Before he left for the airport, he made a brief statement.
( ( Before ( he ( left ( for ( the airport ) ) ) ) ) ( , ( he ( ( made ( a ( brief statement ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN Before) (S (NP (PRP he)) (VP (VBD left) (PP (IN for) (NP (DT the) (NN airport)))))) (, ,) (NP (PRP he)) (VP (VBD made) (NP (DT a) (JJ brief) (NN statement))) (. .)))