( ( The Nature ) ( ( Of ( The ( Fission Process ) ) ) ( ( ( The nucleus ) ( of ( an atom ) ) ) ( ( can ( interact ( with ( ( a neutron ) ( that ( ( travels nearby ) ( in ( two ( basic ways ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (NP (DT The) (NN Nature)) (PP (IN Of) (NP (DT The) (NNP Fission) (NNP Process))) (NP (NP (DT The) (NN nucleus)) (PP (IN of) (NP (DT an) (NN atom)))) (VP (MD can) (VP (VB interact) (PP (IN with) (NP (NP (DT a) (NN neutron)) (SBAR (WHNP (WDT that)) (S (VP (VBZ travels) (ADVP (RB nearby)) (PP (IN in) (NP (CD two) (JJ basic) (NNS ways)))))))))) (. .)))
The Nature Of The Fission Process The nucleus of an atom can interact with a neutron that travels nearby in two basic ways.
(ROOT (S (NP (DT A) (NN neutron)) (VP (VBZ collides) (PP (IN with) (NP (NP (DT an) (NN atom)) (PP (IN of) (NP (ADJP (JJ u-235) (PP (IN during) (NP (DT the) (JJ basic) (JJ nuclear) (NN fission)))) (NN process)))))) (. .)))
A neutron collides with an atom of u-235 during the basic nuclear fission process.