( ( The ( air ( moving apparatus ) ) ) ( ( ( is often ) ( a fan ) ) . ) )
(ROOT (S (NP (DT The) (NN air) (VBG moving) (NN apparatus)) (VP (VBZ is) (ADVP (RB often)) (NP (DT a) (NN fan))) (. .)))
The air moving apparatus is often a fan.
(ROOT (S (NP (DT The) (NN golgi) (NN apparatus)) (VP (VBZ is) (ADVP (RB often)) (PP (VBN compared) (PP (TO to) (NP (NP (DT a) (NN post) (NN office)) (, ,) (VP (VBG moving) (NP (NNS proteins) (CC and) (NNS lipids)) (PP (TO to) (SBAR (WHADVP (WRB where)) (S (NP (PRP they)) (VP (VBP need) (S (VP (TO to) (VP (VB go))))))))))))) (. .)))