What is long term viability?
1	What	what	PRON	WP	PronType=Int	0	root	0:root	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	1	cop	1:cop	_
3	long	long	ADJ	JJ	Degree=Pos	4	amod	4:amod	_
4	term	term	NOUN	NN	Number=Sing	5	compound	5:compound	_
5	viability	viability	NOUN	NN	Number=Sing	1	nsubj	1:nsubj	SpaceAfter=No
6	?	?	PUNCT	.	_	1	punct	1:punct	_
