( You ( ( should ( ( water ( early ( in ( ( ( the morning ) or ) ( early evening ) ) ) ) ) ( to ( avoid evaporation ) ) ) ) . ) )
(ROOT (S (NP (PRP You)) (VP (MD should) (VP (VB water) (ADVP (RB early) (PP (IN in) (NP (NP (DT the) (NN morning)) (CC or) (NP (JJ early) (NN evening))))) (S (VP (TO to) (VP (VB avoid) (NP (NN evaporation))))))) (. .)))
You should water early in the morning or early evening to avoid evaporation.
(ROOT (S (NP (NP (VBG Watering) (NNS plants)) (CC and) (NP (NP (NN grass)) (PP (IN in) (NP (DT the) (JJ early) (NN morning))))) (VP (VBZ is) (NP (DT a) (NN way) (S (VP (TO to) (VP (VB conserve) (NP (NN water)) (SBAR (IN because) (S (NP (NP (JJR smaller) (NNS amounts)) (PP (IN of) (NP (NN water)))) (VP (VB evaporate) (PP (IN in) (NP (DT the) (JJ cool) (NN morning))))))))))) (. .)))
Watering plants and grass in the early morning is a way to conserve water because smaller amounts of water evaporate in the cool morning.