( ( At ( ( ( ( ( the Equinox ) , ) ( both Vernal ) ) and ) Autumn ) ) ( , ( ( the Sun ) ( ( ( is directly ) ( above ( the Equator ) ) ) . ) ) ) )
(ROOT (S (PP (IN At) (NP (NP (DT the) (NNP Equinox)) (, ,) (NP (DT both) (NN Vernal)) (CC and) (NP (NNP Autumn)))) (, ,) (NP (DT the) (NNP Sun)) (VP (VBZ is) (ADVP (RB directly)) (PP (IN above) (NP (DT the) (NNP Equator)))) (. .)))
At the Equinox, both Vernal and Autumn, the Sun is directly above the 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))) (. .)))