Moreover, it is possible to have questions that require nested case studies.
( Moreover ( , ( it ( ( is ( possible ( to ( have ( questions ( that ( require ( nested ( case studies ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Moreover)) (, ,) (NP (PRP it)) (VP (VBZ is) (ADJP (JJ possible) (S (VP (TO to) (VP (VB have) (NP (NP (NNS questions)) (SBAR (WHNP (WDT that)) (S (VP (VBP require) (NP (JJ nested) (NN case) (NNS studies))))))))))) (. .)))
Also, questions can require nested case studies.
( Also ( , ( questions ( ( can ( require ( nested ( case studies ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Also)) (, ,) (NP (NNS questions)) (VP (MD can) (VP (VB require) (NP (JJ nested) (NN case) (NNS studies)))) (. .)))