( ( ( ( EQUINOX , ) ( pronounced ( EE ( kwuh nahks ) ) ) ) , ) ( ( is ( either ( of ( ( the ( two days ) ) ( of ( ( the year ) ( when ( ( the sun ) ( ( is directly ) ( above ( ( the ( earth 's ) ) equator ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP EQUINOX)) (, ,) (NP (JJ pronounced) (NNP EE) (NN kwuh) (NNS nahks)) (, ,)) (VP (VBZ is) (NP (NP (DT either)) (PP (IN of) (NP (NP (DT the) (CD two) (NNS days)) (PP (IN of) (NP (NP (DT the) (NN year)) (SBAR (WHADVP (WRB when)) (S (NP (DT the) (NN sun)) (VP (VBZ is) (ADVP (RB directly)) (PP (IN above) (NP (NP (DT the) (NN earth) (POS 's)) (NN equator)))))))))))) (. .)))
EQUINOX, pronounced EE kwuh nahks , is either of the two days of the year when the sun is directly above the earth's equator.
(ROOT (S (NP (DT The) (NN sun)) (VP (VBZ is) (ADVP (RB directly)) (PP (IN over) (NP (DT the) (NN equator))) (PP (IN during))) (. .)))