( ( Water thoroughly ) ( , ( ( keep ( soil moist ) ) . ) ) )
(ROOT (S (NP (NNP Water) (NNP thoroughly)) (, ,) (VP (VB keep) (NP (NN soil) (NN moist))) (. .)))
Water thoroughly, keep soil 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)))) (. .)))