The p H should be 6.5-7.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	3:det	_
2	p	p	NOUN	NN	Number=Sing	3	compound	3:compound	_
3	H	H	NOUN	NN	Number=Sing	6	nsubj	6:nsubj	_
4	should	should	AUX	MD	VerbForm=Fin	6	aux	6:aux	_
5	be	be	AUX	VB	VerbForm=Inf	6	cop	6:cop	_
6	6.5	6.5	NUM	CD	NumForm=Digit|NumType=Card	0	root	0:root	SpaceAfter=No
7	-	-	SYM	SYM	_	8	case	8:case	SpaceAfter=No
8	7	7	NUM	CD	NumForm=Digit|NumType=Card	6	nmod	6:nmod	SpaceAfter=No
9	.	.	PUNCT	.	_	6	punct	6:punct	_
