melting brass did not work?
1	melting	melt	VERB	VBG	VerbForm=Ger	5	csubj	5:csubj	_
2	brass	brass	NOUN	NN	Number=Sing	1	obj	1:obj	_
3	did	do	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	5	aux	5:aux	_
4	not	not	PART	RB	_	5	advmod	5:advmod	_
5	work	work	VERB	VB	VerbForm=Inf	0	root	0:root	SpaceAfter=No
6	?	?	PUNCT	.	_	5	punct	5:punct	_
