It is really a matter of waiting."
( It ( ( ( ( is really ) ( ( a matter ) ( of waiting ) ) ) . ) '' ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (ADVP (RB really)) (NP (NP (DT a) (NN matter)) (PP (IN of) (NP (VBG waiting))))) (. .) ('' '')))
It all depends on patients.
( It ( all ( ( depends ( on patients ) ) . ) ) )
(ROOT (S (NP (PRP It)) (ADVP (DT all)) (VP (VBZ depends) (PP (IN on) (NP (NNS patients)))) (. .)))