( `` ( ( ( ( The ( single fact ) ) ( that ( ( atom bombs ) ( are ( ( ( 2,000 times ) ( as powerful ) ) ( as ( ordinary bombs ) ) ) ) ) ) ) ( will ( make ( ( present-day ( air forces ) ) obsolete ) ) ) ) ( , ( '' ( it ( said . ) ) ) ) ) )
(ROOT (S (`` ``) (S (NP (NP (DT The) (JJ single) (NN fact)) (SBAR (IN that) (S (NP (NN atom) (NNS bombs)) (VP (VBP are) (ADJP (ADJP (QP (CD 2,000) (NNS times)) (RB as) (JJ powerful)) (PP (IN as) (NP (JJ ordinary) (NNS bombs)))))))) (VP (MD will) (VP (VB make) (S (NP (JJ present-day) (NN air) (NNS forces)) (ADJP (JJ obsolete)))))) (, ,) ('' '') (NP (PRP it)) (VP (VBD said)) (. .)))
"The single fact that atom bombs are 2,000 times as powerful as ordinary bombs will make present-day air forces obsolete," it said.
(ROOT (S (NP (NNP Air)) (VP (VBZ is) (VP (VBN made) (PP (IN of) (NP (NNS atoms))))) (. .)))