( Water ( ( periodically ( to ( keep ( ( the soil ) ( evenly moist ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Water)) (VP (VBZ periodically) (S (VP (TO to) (VP (VB keep) (S (NP (DT the) (NN soil)) (ADJP (RB evenly) (JJ moist))))))) (. .)))
Water periodically to keep the soil evenly moist.
(ROOT (S (NP (NNP Water) (NNS molds)) (ADVP (RB mostly)) (VP (VBP live) (PP (IN in) (NP (NN water) (CC or) (NN moist) (NN soil)))) (. .)))