( Radiation ( ( ( turns ( ( ( atoms , ) ( ( the ( basic ( building block ) ) ) ( of ( ( the ( body 's ) ) cells ) ) ) ) , ) ) ( into ( ( ( potentially dangerous ) particles ) ( called ions ) ) ) ) . ) )
(ROOT (S (NP (NNP Radiation)) (VP (VBZ turns) (NP (NP (NNS atoms)) (, ,) (NP (NP (DT the) (JJ basic) (NN building) (NN block)) (PP (IN of) (NP (NP (DT the) (NN body) (POS 's)) (NNS cells)))) (, ,)) (PP (IN into) (NP (NP (ADJP (RB potentially) (JJ dangerous)) (NNS particles)) (VP (VBN called) (NP (NNS ions)))))) (. .)))
Radiation turns atoms, the basic building block of the body's cells, into potentially dangerous particles called ions.
(ROOT (S (NP (NNS Cells)) (VP (VBP are) (NP (NP (DT the) (JJ basic) (NN building) (NNS blocks)) (PP (IN of) (NP (DT the) (JJ human) (NN body))))) (. .)))