( ( In ( such ( a ( large organization ) ) ) ) ( , ( ( ( ( effective and ) quick ) communication ) ( ( ( is vitally ) important ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (PDT such) (DT a) (JJ large) (NN organization))) (, ,) (NP (ADJP (JJ effective) (CC and) (JJ quick)) (NN communication)) (VP (VBZ is) (ADVP (RB vitally)) (ADJP (JJ important))) (. .)))
In such a large organization, effective and quick communication is vitally important.
(ROOT (S (NP (NNS Pheromones)) (VP (VBP enable) (NP (NP (NN communication)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (ADJP (JJ vital) (PP (IN for) (NP (NP (NNS organisms)) (PP (IN like) (NP (NP (NNS ants)) (SBAR (WHNP (WDT that)) (S (VP (VBP live) (PP (IN in) (NP (DT a) (JJ large) (NN community)))))))))))))))) (. .)))