in crisis -- and of two girls whose friendship is severely tested by bad luck and their own immaturity 
(ROOT (PP (PP (IN in) (NP (NN crisis))) (, --) (CC and) (PP (IN of) (NP (NP (CD two) (NNS girls)) (SBAR (WHNP (WP$ whose) (NN friendship)) (S (VP (VBZ is) (ADVP (RB severely)) (VP (VBN tested) (PP (IN by) (NP (NP (JJ bad) (NN luck)) (CC and) (NP (PRP$ their) (JJ own) (NN immaturity))))))))))))
(ROOT (PP (PP (IN ) (NP (NN ))) (, ) (CC ) (PP (IN ) (NP (NP (CD ) (NNS )) (SBAR (WHNP (WP$ ) (NN )) (S (VP (VBZ ) (ADVP (RB )) (VP (VBN ) (PP (IN ) (NP (NP (JJ ) (NN )) (CC ) (NP (PRP$ ) (JJ ) (NN ))))))))))))