The abstract is structured thus:
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	2:det	Discourse=organization-preparation:53->54:3|Entity=(104-abstract-new-cf1-2-sgl
2	abstract	abstract	NOUN	NN	Number=Sing	4	nsubj:pass	4:nsubj:pass	Entity=104)
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	4:aux:pass	_
4	structured	structure	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
5	thus	thus	ADV	RB	_	4	advmod	4:advmod	SpaceAfter=No
6	:	:	PUNCT	:	_	4	punct	4:punct	_
