( ( If ( ( the customer ) ( chooses ( ( a ( renewable source ) ) ( of ( energy ( or ( nuclear power ) ) ) ) ) ) ) ) ( , ( ( greenhouse ( gas emissions ) ) ( ( are ( reduced ( by ( ( nearly 100 ) % ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (DT the) (NN customer)) (VP (VBZ chooses) (NP (NP (DT a) (JJ renewable) (NN source)) (PP (IN of) (NP (NN energy) (CC or) (JJ nuclear) (NN power))))))) (, ,) (NP (NN greenhouse) (NN gas) (NNS emissions)) (VP (VBP are) (VP (VBN reduced) (PP (IN by) (NP (QP (RB nearly) (CD 100)) (NN %))))) (. .)))
If the customer chooses a renewable source of energy or nuclear power, greenhouse gas emissions are reduced by nearly 100%.
(ROOT (S (NP (JJ Renewable) (NN energy) (NNS sources)) (VP (VBP emit) (NP (NP (JJR fewer)) (CC or) (NP (DT no) (NN greenhouse) (NNS gases)))) (. .)))