It was Jefferson who said that the tree of liberty must occasionally be refreshed with the blood of patriots and tyrants.
1	It	it	PRON	PERS-SG	_	3	expl	_	_
2	was	be	AUX	PAST	Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin	3	cop	_	_
3	Jefferson	Jefferson	PROPN	SG-NOM	Number=Sing	0	root	_	_
4	who	who	PRON	WH-REL	PronType=Rel	5	nsubj	_	_
5	said	say	VERB	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	3	csubj	_	_
6	that	that	SCONJ	_	_	14	mark	_	_
7	the	the	DET	DEF	Definite=Def|PronType=Art	8	det	_	_
8	tree	tree	NOUN	SG-NOM	Number=Sing	14	nsubj:pass	_	_
9	of	of	ADP	_	_	10	case	_	_
10	liberty	liberty	NOUN	SG-NOM	Number=Sing	8	nmod	_	_
11	must	must	AUX	PRES-AUX	VerbForm=Fin	14	aux	_	_
12	occasionally	occasionally	ADV	_	_	14	advmod	_	_
13	be	be	AUX	INF	VerbForm=Inf	14	aux:pass	_	_
14	refreshed	refresh	VERB	PASS	Tense=Past|VerbForm=Part|Voice=Pass	5	ccomp	_	_
15	with	with	ADP	_	_	17	case	_	_
16	the	the	DET	DEF	Definite=Def|PronType=Art	17	det	_	_
17	blood	blood	NOUN	SG-NOM	Number=Sing	14	obl	_	_
18	of	of	ADP	_	_	19	case	_	_
19	patriots	patriot	NOUN	PL-NOM	Number=Plur	17	nmod	_	_
20	and	and	CCONJ	_	_	21	cc	_	_
21	tyrants	tyrant	NOUN	PL-NOM	Number=Plur	19	conj	_	SpaceAfter=No
22	.	.	PUNCT	Period	_	3	punct	_	_
