It should have been fun but neither of them was happy.
1	It	it	PRON	PERS-SG	_	5	nsubj	_	_
2	should	should	AUX	PAST-AUX	VerbForm=Fin	5	aux	_	_
3	have	have	AUX	INF-AUX	Mood=Ind|Tense=Pres|VerbForm=Fin	5	aux	_	_
4	been	be	AUX	PERF	Tense=Past|VerbForm=Part	5	cop	_	_
5	fun	fun	NOUN	SG-NOM	Number=Sing	0	root	_	_
6	but	but	CCONJ	_	_	11	cc	_	_
7	neither	neither	PRON	NEG-SG-NOM	_	11	nsubj	_	_
8	of	of	ADP	_	_	9	case	_	_
9	them	they	PRON	PERS-P3PL-ACC	Case=Acc|Number=Plur|Person=3|PronType=Prs	7	nmod	_	_
10	was	be	AUX	PAST	Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin	11	cop	_	_
11	happy	happy	ADJ	POS	Degree=Pos	5	conj	_	SpaceAfter=No
12	.	.	PUNCT	Period	_	5	punct	_	_
