id	sid	tid	token	lemma	pos
np193774991	1	1	any	any	DET
np193774991	1	2	subset	subset	NOUN
np193774991	1	3	of	of	ADP
np193774991	1	4	the	the	DET
np193774991	1	5	plane	plane	NOUN
np193774991	1	6	can	can	AUX
np193774991	1	7	be	be	AUX
np193774991	1	8	approximated	approximate	VERB
np193774991	1	9	by	by	ADP
np193774991	1	10	a	a	DET
np193774991	1	11	set	set	NOUN
np193774991	1	12	of	of	ADP
np193774991	1	13	square	square	ADJ
np193774991	1	14	pixels	pixel	NOUN
np193774991	1	15	.	.	PUNCT
np193774991	2	1	unfortunately	unfortunately	ADV
np193774991	2	2	,	,	PUNCT
np193774991	2	3	while	while	SCONJ
np193774991	2	4	this	this	DET
np193774991	2	5	pixelation	pixelation	NOUN
np193774991	2	6	looks	look	VERB
np193774991	2	7	similar	similar	ADJ
np193774991	2	8	to	to	ADP
np193774991	2	9	the	the	DET
np193774991	2	10	original	original	ADJ
np193774991	2	11	set	set	NOUN
np193774991	2	12	,	,	PUNCT
np193774991	2	13	it	it	PRON
np193774991	2	14	does	do	AUX
np193774991	2	15	not	not	PART
np193774991	2	16	resemble	resemble	VERB
np193774991	2	17	the	the	DET
np193774991	2	18	original	original	ADJ
np193774991	2	19	set	set	NOUN
np193774991	2	20	closely	closely	ADV
np193774991	2	21	from	from	ADP
np193774991	2	22	a	a	DET
np193774991	2	23	mathematical	mathematical	ADJ
np193774991	2	24	perspective	perspective	NOUN
np193774991	2	25	.	.	PUNCT
np193774991	3	1	using	use	VERB
np193774991	3	2	a	a	DET
np193774991	3	3	technique	technique	NOUN
np193774991	3	4	inspired	inspire	VERB
np193774991	3	5	by	by	ADP
np193774991	3	6	morse	morse	NOUN
np193774991	3	7	theory	theory	NOUN
np193774991	3	8	,	,	PUNCT
np193774991	3	9	we	we	PRON
np193774991	3	10	algorithmically	algorithmically	ADV
np193774991	3	11	produce	produce	VERB
np193774991	3	12	a	a	DET
np193774991	3	13	pl	pl	PROPN
np193774991	3	14	approximation	approximation	NOUN
np193774991	3	15	of	of	ADP
np193774991	3	16	the	the	DET
np193774991	3	17	original	original	ADJ
np193774991	3	18	shape	shape	NOUN
np193774991	3	19	using	use	VERB
np193774991	3	20	only	only	ADJ
np193774991	3	21	information	information	NOUN
np193774991	3	22	from	from	ADP
np193774991	3	23	its	its	PRON
np193774991	3	24	pixelation	pixelation	NOUN
np193774991	3	25	.	.	PUNCT
np193774991	4	1	this	this	DET
np193774991	4	2	approximation	approximation	NOUN
np193774991	4	3	converges	converge	VERB
np193774991	4	4	to	to	ADP
np193774991	4	5	the	the	DET
np193774991	4	6	original	original	ADJ
np193774991	4	7	shape	shape	NOUN
np193774991	4	8	in	in	ADP
np193774991	4	9	a	a	DET
np193774991	4	10	very	very	ADV
np193774991	4	11	strong	strong	ADJ
np193774991	4	12	sense	sense	NOUN
np193774991	4	13	:	:	PUNCT
np193774991	4	14	as	as	SCONJ
np193774991	4	15	the	the	DET
np193774991	4	16	size	size	NOUN
np193774991	4	17	of	of	ADP
np193774991	4	18	the	the	DET
np193774991	4	19	pixels	pixel	NOUN
np193774991	4	20	goes	go	VERB
np193774991	4	21	to	to	ADP
np193774991	4	22	zero	zero	NUM
np193774991	4	23	we	we	PRON
np193774991	4	24	can	can	AUX
np193774991	4	25	recover	recover	VERB
np193774991	4	26	important	important	ADJ
np193774991	4	27	geometric	geometric	ADJ
np193774991	4	28	and	and	CCONJ
np193774991	4	29	topological	topological	ADJ
np193774991	4	30	invariants	invariant	NOUN
np193774991	4	31	of	of	ADP
np193774991	4	32	the	the	DET
np193774991	4	33	original	original	ADJ
np193774991	4	34	shape	shape	NOUN
np193774991	4	35	such	such	ADJ
np193774991	4	36	as	as	ADP
np193774991	4	37	betti	betti	ADJ
np193774991	4	38	numbers	number	NOUN
np193774991	4	39	,	,	PUNCT
np193774991	4	40	area	area	NOUN
np193774991	4	41	,	,	PUNCT
np193774991	4	42	perimeter	perimeter	NOUN
np193774991	4	43	and	and	CCONJ
np193774991	4	44	curvature	curvature	NOUN
np193774991	4	45	measures	measure	NOUN
np193774991	4	46	.	.	PUNCT