They must desire genuine communication and work toward attaining it.
( They ( ( must ( ( desire ( genuine ( ( communication and ) work ) ) ) ( toward ( attaining it ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (MD must) (VP (VB desire) (NP (JJ genuine) (NN communication) (CC and) (NN work)) (PP (IN toward) (S (VP (VBG attaining) (NP (PRP it))))))) (. .)))
They would want genuine communication and work towards getting it. 
( They ( ( would ( ( want ( genuine ( ( communication and ) work ) ) ) ( towards ( getting it ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (MD would) (VP (VB want) (NP (JJ genuine) (NN communication) (CC and) (NN work)) (PP (IN towards) (S (VP (VBG getting) (NP (PRP it))))))) (. .)))