( ( The ( element phosphorus ) ) ( ( has ( ( that name ) ( because ( ( white phosphorus ) ( ( gives off ) ( ( a ( bright light ) ) ( in air ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN element) (NN phosphorus)) (VP (VBZ has) (NP (NP (DT that) (NN name)) (SBAR (IN because) (S (NP (JJ white) (NN phosphorus)) (VP (VBZ gives) (PRT (RP off)) (NP (NP (DT a) (JJ bright) (NN light)) (PP (IN in) (NP (NN air))))))))) (. .)))
The element phosphorus has that name because white phosphorus gives off a bright light in air.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NP (DT the) (NN phosphorus) (NN element)) (: -) (SBAR (WHNP (WP$ whose) (NN name)) (S (VP (VBZ means) (S (`` ``) (NP (JJ light) (NN bringing)) ('' ''))))) (: -)) (VP (VBD was) (VP (ADVP (RB first)) (VBN isolated))))) (, ,) (NP (NNS scientists)) (VP (VBD noted) (SBAR (IN that) (S (NP (PRP it)) (VP (VP (VBD glowed) (PP (IN in) (NP (DT the) (NN dark)))) (CC and) (VP (VBD burned) (SBAR (WHADVP (WRB when)) (S (VP (VBN exposed) (PP (TO to) (NP (NN air)))))))))))))