( Prepare ( ( a ( bubble ( ( bath and ) float ) ) ) ( ( ( rose petals ) ( in ( the water ) ) ) . ) ) )
(ROOT (S (ADVP (RB Prepare)) (NP (DT a) (NN bubble) (NN bath) (CC and) (NN float)) (VP (VBD rose) (NP (NNS petals)) (PP (IN in) (NP (DT the) (NN water)))) (. .)))
Prepare a bubble bath and float rose petals in the water.
(ROOT (S (NP (NNP Gas) (NN bubble) (NNS holes)) (VP (VBZ helps) (NP (NP (JJ pumice) (NN float)) (PP (IN in) (NP (NN water))))) (. .)))