The samples we have are small in terms of numbers and they are all preserved in formalin (a kind of formaldehyde solution).
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	2:det	Discourse=joint-list_m:51->46:2|Entity=(52-object-giv:act-cf1*-2-coref
2	samples	sample	NOUN	NNS	Number=Plur	6	nsubj	6:nsubj	_
3	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	4	nsubj	4:nsubj	Bridge=3<53|Entity=(53-person-acc:inf-cf3-1-coref)
4	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	2	acl:relcl	2:acl:relcl	Entity=52)
5	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	cop	6:cop	_
6	small	small	ADJ	JJ	Degree=Pos	0	root	0:root	_
7	in	in	ADP	IN	_	8	case	8:case	_
8	terms	term	NOUN	NNS	Number=Plur	6	obl	6:obl:in	_
9	of	of	ADP	IN	_	10	case	10:case	_
10	numbers	number	NOUN	NNS	Number=Plur	8	nmod	8:nmod:of	Entity=(54-abstract-new-cf4-1-sgl)
11	and	and	CCONJ	CC	_	15	cc	15:cc	Discourse=joint-list_m:52->51:0
12	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	15	nsubj:pass	15:nsubj:pass	Entity=(52-object-giv:act-cf1*-1-ana)
13	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	15	aux:pass	15:aux:pass	_
14	all	all	ADV	RB	Degree=Pos	15	advmod	15:advmod	_
15	preserved	preserve	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	conj	6:conj:and	_
16	in	in	ADP	IN	_	17	case	17:case	_
17	formalin	formalin	NOUN	NN	Number=Sing	15	obl	15:obl:in	Entity=(55-substance-new-cf2-1-coref)|XML=<ref></ref>
18	(	(	PUNCT	-LRB-	_	20	punct	20:punct	Discourse=elaboration-additional:53->52:0|SpaceAfter=No
19	a	a	DET	DT	Definite=Ind|PronType=Art	20	det	20:det	Entity=(55-substance-giv:act-cf2-2-coref
20	kind	kind	NOUN	NN	Number=Sing	17	dep	17:dep	_
21	of	of	ADP	IN	_	23	case	23:case	_
22	formaldehyde	formaldehyde	NOUN	NN	Number=Sing	23	compound	23:compound	Entity=(56-substance-new-cf5-1-sgl)
23	solution	solution	NOUN	NN	Number=Sing	20	nmod	20:nmod:of	Entity=55)|SpaceAfter=No
24	)	)	PUNCT	-RRB-	_	20	punct	20:punct	SpaceAfter=No
25	.	.	PUNCT	.	_	6	punct	6:punct	_
