American Airlines dispatchers also tried, without success.
( ( American ( Airlines dispatchers ) ) ( also ( ( ( tried , ) ( without success ) ) . ) ) )
(ROOT (S (NP (NNP American) (NNPS Airlines) (NNS dispatchers)) (ADVP (RB also)) (VP (VBD tried) (, ,) (PP (IN without) (NP (NN success)))) (. .)))
The dispatchers achieved a lot of success.
( ( The dispatchers ) ( ( achieved ( ( a lot ) ( of success ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS dispatchers)) (VP (VBD achieved) (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (NN success))))) (. .)))