Is múinteoir Seán.
1	Is	is	AUX	Cop	Tense=Pres|VerbForm=Cop	2	cop	_	_
2	múinteoir	múinteoir	NOUN	Noun	Case=Nom|Gender=Masc|Number=Sing	0	root	_	_
3	Seán	Seán	PROPN	Noun	Case=Nom|Definite=Def|Gender=Masc|Number=Sing	2	nsubj	_	SpaceAfter=No
4	.	.	PUNCT	.	_	2	punct	_	_
