( ( ( ( ( Normally ( , ( ( tumor ( suppressor genes ) ) ( ( ( constrain or ) eliminate ) ( these ( renegade cells ) ) ) ) ) ) , ) but ) ( mutations ( can ( ( disable ( these genes ) ) ( in ( cancer cells ) ) ) ) ) ) . )
(ROOT (S (S (ADVP (RB Normally)) (, ,) (NP (NN tumor) (NN suppressor) (NNS genes)) (VP (VB constrain) (CC or) (VB eliminate) (NP (DT these) (NN renegade) (NNS cells)))) (, ,) (CC but) (S (NP (NNS mutations)) (VP (MD can) (VP (VB disable) (NP (DT these) (NNS genes)) (PP (IN in) (NP (NN cancer) (NNS cells)))))) (. .)))
Normally, tumor suppressor genes constrain or eliminate these renegade cells, but mutations can disable these genes in cancer cells.
(ROOT (S (NP (NP (NNS Mutations)) (PP (IN in) (NP (NP (JJ regulatory) (NNS genes)) (SBAR (WHNP (WDT that)) (S (ADVP (RB normally)) (VP (VBP control) (NP (DT the) (NN cell) (NN cycle)))))))) (VP (VBP cause) (NP (NN cancer))) (. .)))