Wells's The Time Machine (1895), considered by some the first work of true SF.
( ( Wells ( 's ( ( The ( Time Machine ) ) ( -LRB- ( 1895 -RRB- ) ) ) ) ) ( , ( ( ( considered ( by some ) ) ( ( the ( first work ) ) ( of ( true SF ) ) ) ) . ) ) )
(ROOT (SINV (S (NP (NNP Wells)) (VP (VBZ 's) (NP (NP (DT The) (NNP Time) (NN Machine)) (PRN (-LRB- -LRB-) (NP (CD 1895)) (-RRB- -RRB-))))) (, ,) (VP (VBD considered) (PP (IN by) (NP (DT some)))) (NP (NP (DT the) (JJ first) (NN work)) (PP (IN of) (NP (JJ true) (NNP SF)))) (. .)))
Dozens of titles predate The Time Machine as original examples of true SF.
( ( Dozens ( of titles ) ) ( ( ( predate ( The ( Time Machine ) ) ) ( as ( ( original examples ) ( of ( true SF ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Dozens)) (PP (IN of) (NP (NNS titles)))) (VP (VBP predate) (NP (DT The) (NNP Time) (NN Machine)) (PP (IN as) (NP (NP (JJ original) (NNS examples)) (PP (IN of) (NP (JJ true) (NNP SF)))))) (. .)))