( Superconductors ( ( are ( ( a ( novel material ) ) ( that ( shows ( zero resistance ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Superconductors)) (VP (VBP are) (NP (NP (DT a) (NN novel) (NN material)) (SBAR (WHNP (WDT that)) (S (VP (VBZ shows) (NP (CD zero) (NN resistance))))))) (. .)))
Superconductors are a novel material that shows zero resistance.
(ROOT (S (NP (NNS Superconductors)) (VP (VBP are) (NP (NP (NNS materials)) (PP (IN with) (NP (NP (DT a) (NN resistivity)) (PP (IN of) (NP (CD zero))))))) (. .)))