The air is warm.
( ( The air ) ( ( is warm ) . ) )
(ROOT (S (NP (DT The) (NN air)) (VP (VBZ is) (ADJP (JJ warm))) (. .)))
The warm air bellows forth from the oven's open door.
( ( The ( warm air ) ) ( ( ( bellows forth ) ( from ( ( the ( oven 's ) ) ( open door ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ warm) (NN air)) (VP (VBZ bellows) (PRT (RP forth)) (PP (IN from) (NP (NP (DT the) (NN oven) (POS 's)) (JJ open) (NN door)))) (. .)))