Nobody knew what it was for... a security measure, some were satisfied to assume, while others accepted it as vaguely appropriate, the symbol of progress inseparable from all industrial fairs and agricultural shows and therefore somehow relevant to any public display.
1	Nobody	nobody	PRON	NEG-SG-NOM	Number=Sing	2	nsubj	_	_
2	knew	know	VERB	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	_
3	what	what	PRON	WH	PronType=Int	5	dislocated	_	_
4	it	it	PRON	PERS-SG	_	5	nsubj	_	_
5	was	be	VERB	PAST	Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin	2	ccomp	_	_
6	for	for	ADP	_	_	3	case	_	SpaceAfter=No
7	...	...	PUNCT	Dots	_	14	punct	_	_
8	a	a	DET	IND-SG	Definite=Ind|PronType=Art	10	det	_	_
9	security	security	NOUN	SG-NOM	Number=Sing	10	compound	_	_
10	measure	measure	NOUN	SG-NOM	Number=Sing	14	dislocated	_	SpaceAfter=No
11	,	,	PUNCT	Comma	_	10	punct	_	_
12	some	some	PRON	IND	Case=Nom	14	nsubj:pass	_	_
13	were	be	AUX	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	14	aux	_	_
14	satisfied	satisfy	VERB	PASS	Case=Nom	2	parataxis	_	_
15	to	to	PART	_	_	16	mark	_	_
16	assume	assume	VERB	INF	VerbForm=Inf	14	xcomp	_	SpaceAfter=No
17	,	,	PUNCT	Comma	_	20	punct	_	_
18	while	while	SCONJ	_	_	20	mark	_	_
19	others	other	PRON	IND-PL-NOM	Case=Nom	20	nsubj	_	_
20	accepted	accept	VERB	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	14	advcl	_	_
21	it	it	PRON	PERS-SG	_	20	obj	_	_
22	as	as	ADP	_	_	24	case	_	_
23	vaguely	vague	ADV	_	_	24	advmod	_	_
24	appropriate	appropriate	ADJ	POS	Degree=Pos	20	xcomp	_	SpaceAfter=No
25	,	,	PUNCT	Comma	_	27	punct	_	_
26	the	the	DET	DEF	Definite=Def|PronType=Art	27	det	_	_
27	symbol	symbol	NOUN	SG-NOM	Number=Sing	24	appos	_	_
28	of	of	ADP	_	_	29	case	_	_
29	progress	progress	NOUN	SG-NOM	Number=Sing	27	nmod	_	_
30	inseparable	inseparable	ADJ	POS	Degree=Pos	27	amod	_	_
31	from	from	ADP	_	_	34	case	_	_
32	all	all	DET	TOT-PL	_	34	det	_	_
33	industrial	industrial	ADJ	POS	Degree=Pos	34	amod	_	_
34	fairs	fair	NOUN	PL-NOM	Number=Plur	30	nmod	_	_
35	and	and	CCONJ	_	_	37	cc	_	_
36	agricultural	agricultural	ADJ	POS	Degree=Pos	37	amod	_	_
37	shows	show	NOUN	PL-NOM	Number=Plur	34	conj	_	_
38	and	and	CCONJ	_	_	41	cc	_	_
39	therefore	therefore	ADV	_	_	41	advmod	_	_
40	somehow	somehow	ADV	_	_	41	advmod	_	_
41	relevant	relevant	ADJ	POS	Degree=Pos	30	conj	_	_
42	to	to	ADP	_	_	45	case	_	_
43	any	any	DET	IND	_	45	det	_	_
44	public	public	ADJ	POS	Degree=Pos	45	amod	_	_
45	display	display	NOUN	SG-NOM	Number=Sing	41	nmod	_	SpaceAfter=No
46	.	.	PUNCT	Period	_	14	punct	_	_
