( ( A ( neutron star ) ) ( ( ( is apparently ) ( ( the product ) ( of ( a ( supernova explosion ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN neutron) (NN star)) (VP (VBZ is) (ADVP (RB apparently)) (NP (NP (DT the) (NN product)) (PP (IN of) (NP (DT a) (NN supernova) (NN explosion))))) (. .)))
A neutron star is apparently the product of a supernova explosion.
(ROOT (S (NP (NN Neutron) (NNS stars)) (VP (VBP are) (NP (NP (DT the) (NNS corpses)) (PP (IN of) (NP (ADJP (VBN left) (RP over)) (NN supernova) (NNS explosions))))) (. .)))