( Nuclear ( ( change ( ( Decay ( type Loss ) ) ( of ( a ( gamma ray ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Nuclear)) (VP (VBP change) (NP (NP (NNP Decay) (NN type) (NN Loss)) (PP (IN of) (NP (DT a) (NN gamma) (NN ray))))) (. .)))
Nuclear change Decay type Loss of a gamma ray.
(ROOT (S (NP (NP (JJ Radioactive) (NNS atoms)) (, ,) (NP (JJ nuclear) (NNS explosions)) (, ,) (CC and) (NP (NNS stars))) (VP (VBP produce) (NP (NN gamma) (NNS rays)))))
Radioactive atoms, nuclear explosions, and stars produce gamma rays