( ( If ( ( a ( radioactive particle ) ) ( becomes ( lodged ( within ( the ( living matter ) ) ) ) ) ) ) ( , ( it ( ( could ( ( decay further ) ( releasing ( ( other ( high ( energy particles ) ) ) ( which ( could ( do ( more damage ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (DT a) (JJ radioactive) (NN particle)) (VP (VBZ becomes) (VP (VBN lodged) (PP (IN within) (NP (DT the) (VBG living) (NN matter))))))) (, ,) (NP (PRP it)) (VP (MD could) (VP (VB decay) (ADVP (RBR further)) (S (VP (VBG releasing) (NP (NP (JJ other) (JJ high) (NN energy) (NNS particles)) (SBAR (WHNP (WDT which)) (S (VP (MD could) (VP (VB do) (NP (JJR more) (NN damage))))))))))) (. .)))
If a radioactive particle becomes lodged within the living matter, it could decay further releasing other high energy particles which could do more damage.
(ROOT (S (NP (JJ Radioactive) (NN decay)) (VP (MD can) (VP (VB give) (PRT (RP off)) (NP (NN energy) (CC and) (NNS particles)))) (. .)))