This was so normal that nobody noticed it.
1	This	this	PRON	DEM-SG	Number=Sing|PronType=Dem	4	nsubj	_	_
2	was	be	AUX	PAST	Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin	4	cop	_	_
3	so	so	ADV	_	_	4	advmod	_	_
4	normal	normal	ADJ	POS	Degree=Pos	0	root	_	_
5	that	that	SCONJ	_	_	7	mark	_	_
6	nobody	nobody	PRON	NEG-SG-NOM	Number=Sing	7	nsubj	_	_
7	noticed	notice	VERB	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	4	advcl	_	_
8	it	it	PRON	PERS-SG	_	7	obj	_	SpaceAfter=No
9	.	.	PUNCT	Period	_	4	punct	_	_
