When they start bleeding that means they're really fighting.
1	When	when	ADV	WRB	PronType=Int	3	advmod	3:advmod	_
2	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	3:nsubj|4:nsubj:xsubj	_
3	start	start	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	advcl	6:advcl:when	_
4	bleeding	bleed	VERB	VBG	VerbForm=Ger	3	xcomp	3:xcomp	_
5	that	that	PRON	DT	Number=Sing|PronType=Dem	6	nsubj	6:nsubj	_
6	means	mean	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
7-8	they're	_	_	_	_	_	_	_	_
7	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	10	nsubj	10:nsubj	_
8	're	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	aux	10:aux	_
9	really	really	ADV	RB	_	10	advmod	10:advmod	_
10	fighting	fight	VERB	VBG	Tense=Pres|VerbForm=Part	6	ccomp	6:ccomp	SpaceAfter=No
11	.	.	PUNCT	.	_	6	punct	6:punct	_
