This fellow is flying a hot air balloon and suddenly realizes he is lost.
( ( This fellow ) ( ( ( ( ( is ( flying ( a ( hot ( air balloon ) ) ) ) ) and ) suddenly ) ( realizes ( he ( is lost ) ) ) ) . ) )
(ROOT (S (NP (DT This) (NN fellow)) (VP (VP (VBZ is) (VP (VBG flying) (NP (DT a) (JJ hot) (NN air) (NN balloon)))) (CC and) (ADVP (RB suddenly)) (VP (VBZ realizes) (SBAR (S (NP (PRP he)) (VP (VBZ is) (VP (VBN lost))))))) (. .)))
This fellow is flying a hot air balloon and is lost.
( ( This fellow ) ( ( ( ( is ( flying ( a ( hot ( air balloon ) ) ) ) ) and ) ( is lost ) ) . ) )
(ROOT (S (NP (DT This) (NN fellow)) (VP (VP (VBZ is) (VP (VBG flying) (NP (DT a) (JJ hot) (NN air) (NN balloon)))) (CC and) (VP (VBZ is) (VP (VBN lost)))) (. .)))