( ( ( Only topics ) ( discussed ( in class ) ) ) ( , ( however ( , ( ( will ( be ( considered ( testable material ) ) ) ) . ) ) ) ) )
(ROOT (S (NP (NP (RB Only) (NNS topics)) (VP (VBN discussed) (PP (IN in) (NP (NN class))))) (, ,) (ADVP (RB however)) (, ,) (VP (MD will) (VP (VB be) (VP (VBN considered) (NP (JJ testable) (NN material))))) (. .)))
Only topics discussed in class, however, will be considered testable material.
(ROOT (S (NP (DT A) (NN fact) (CC or) (NN question)) (VP (VBZ is) (ADVP (RB only)) (VP (VBN considered) (NP (NN science)) (SBAR (IN if) (S (NP (PRP it)) (VP (VBZ is) (ADJP (JJ testable))))))) (. .)))