I'm pretty sure that Mayko is Japanese.
1-2	I'm	_	_	_	_	_	_	_	_
1	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	4	nsubj	4:nsubj	_
2	'm	be	AUX	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	4	cop	4:cop	_
3	pretty	pretty	ADV	RB	_	4	advmod	4:advmod	_
4	sure	sure	ADJ	JJ	Degree=Pos	0	root	0:root	_
5	that	that	SCONJ	IN	_	8	mark	8:mark	_
6	Mayko	Mayko	PROPN	NNP	Number=Sing	8	nsubj	8:nsubj	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	8:cop	_
8	Japanese	Japanese	ADJ	JJ	Degree=Pos	4	ccomp	4:ccomp	SpaceAfter=No
9	.	.	PUNCT	.	_	4	punct	4:punct	_
