( They ( ( ( are ( suitable ( for use ) ) ) ( with ( all ( foam ( ( concentrate types ) ( in ( ( ( either salt ) or ) ( fresh water ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBP are) (ADJP (JJ suitable) (PP (IN for) (NP (NN use)))) (PP (IN with) (NP (DT all) (NN foam) (S (VP (VB concentrate) (NP (NNS types)) (PP (IN in) (NP (NP (DT either) (NN salt)) (CC or) (NP (JJ fresh) (NN water))))))))) (. .)))
They are suitable for use with all foam concentrate types in either salt or fresh water.
(ROOT (S (NP (JJ Fresh) (NN water) (NNS biomes)) (VP (VBP are) (VP (VBN defined) (PP (IN by) (NP (JJ low) (NN salt) (NN concentration))))) (. .)))