( Resistivity ( ( is ( ( a measure ) ( of ( ( the ( material 's ) ) ( ability ( to ( oppose ( electric current ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Resistivity)) (VP (VBZ is) (NP (NP (DT a) (NN measure)) (PP (IN of) (NP (NP (DT the) (NN material) (POS 's)) (NN ability) (S (VP (TO to) (VP (VB oppose) (NP (JJ electric) (NN current))))))))) (. .)))
Resistivity is a measure of the material's ability to oppose electric current.
(ROOT (S (NP (PRP You)) (VP (VBP call) (NP (NP (NNS materials)) (SBAR (WHNP (WDT that)) (S (VP (VBP have) (NP (JJ high) (NN resistance)) (PP (TO to) (NP (JJ electric) (JJ current) (JJ electric) (NNS insulators)))))))) (. .)))