( ( ( any disease ) ( of ( ( the ( genito-urinary system ) ) ( likely ( to ( affect ( the ( ability ( to ( drive safely ) ) ) ) ) ) ) ) ) ) . )
(ROOT (NP (NP (DT any) (NN disease)) (PP (IN of) (NP (NP (DT the) (JJ genito-urinary) (NN system)) (ADJP (JJ likely) (S (VP (TO to) (VP (VB affect) (NP (DT the) (NN ability) (S (VP (TO to) (VP (VB drive) (ADVP (RB safely)))))))))))) (. .)))
any disease of the genito-urinary system likely to affect the ability to drive safely.
(ROOT (S (NP (JJ Kidney) (NNS stones)) (VP (VBP are) (VP (VBN considered) (NP (NP (DT a) (NN disease)) (SBAR (WHNP (WDT that)) (S (VP (VBZ affects) (NP (DT the) (JJ urinary) (NN system)))))))) (. .)))