( ( ( Another piece ) ( of ( the puzzle ) ) ) ( ( was ( filled ( in ( by ( ( information ( from ( a ( NASA satellite ) ) ) ) ( which ( ( searched ( for neon ) ) ( ( a ( noble gas ) ) ( that ( ( has ( a ( melting point ) ) ) ( below ( that ( of argon ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT Another) (NN piece)) (PP (IN of) (NP (DT the) (NN puzzle)))) (VP (VBD was) (VP (VBN filled) (PP (IN in) (IN by) (NP (NP (NN information)) (PP (IN from) (NP (DT a) (NNP NASA) (NN satellite))) (SBAR (WHNP (WDT which)) (S (VP (VBD searched) (PP (IN for) (NP (NN neon))) (NP (NP (DT a) (JJ noble) (NN gas)) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (NP (DT a) (JJ melting) (NN point)) (PP (IN below) (NP (NP (DT that)) (PP (IN of) (NP (NNP argon)))))))))))))))) (. .)))
Another piece of the puzzle was filled in by information from a NASA satellite which searched for neon a noble gas that has a melting point below that of argon.
(ROOT (S (NP (NNP Neon)) (VP (VBZ is) (NP (NP (DT an) (NN example)) (PP (IN of) (NP (JJ noble) (NN gas))))) (. .)))