You can check the validity of all of this at the Beyond Control website.
1	You	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	3	nsubj	3:nsubj	_
2	can	can	AUX	MD	VerbForm=Fin	3	aux	3:aux	_
3	check	check	VERB	VB	VerbForm=Inf	0	root	0:root	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	5:det	_
5	validity	validity	NOUN	NN	Number=Sing	3	obj	3:obj	_
6	of	of	ADP	IN	_	7	case	7:case	_
7	all	all	DET	DT	_	5	nmod	5:nmod:of	_
8	of	of	ADP	IN	_	9	case	9:case	_
9	this	this	PRON	DT	Number=Sing|PronType=Dem	7	nmod	7:nmod:of	_
10	at	at	ADP	IN	_	14	case	14:case	_
11	the	the	DET	DT	Definite=Def|PronType=Art	14	det	14:det	_
12	Beyond	Beyond	PROPN	NNP	Number=Sing	13	compound	13:compound	_
13	Control	Control	PROPN	NNP	Number=Sing	14	compound	14:compound	_
14	website	website	NOUN	NN	Number=Sing	3	obl	3:obl:at	SpaceAfter=No
15	.	.	PUNCT	.	_	3	punct	3:punct	_
