( ( ( The ( three types ) ) ( of ( radiation ( that ( are ( given off ) ) ) ) ) ) ( ( are ( alpha ( , ( beta ( , ( and ( gamma particles ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (CD three) (NNS types)) (PP (IN of) (NP (NP (NN radiation)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (VP (VBN given) (PRT (RP off))))))))) (VP (VBP are) (UCP (ADJP (NN alpha)) (, ,) (ADJP (JJ beta)) (, ,) (CC and) (NP (NN gamma) (NNS particles)))) (. .)))
The three types of radiation that are given off are alpha, beta, and gamma particles.
(ROOT (S (PP (IN Of) (NP (NP (DT the) (CD three) (JJ basic) (NNS types)) (PP (IN of) (NP (JJ radioactive) (NNS emissions))))) (, ,) (NP (DT the) (NN gamma) (NN particle)) (VP (VBZ is) (NP (DT the) (JJS most) (NN penetrating))) (. .)))