Approx 4 months later, the compressor went out.
1	Approx	approx	ADV	RB	_	3	advmod	3:advmod	_
2	4	4	NUM	CD	NumForm=Digit|NumType=Card	3	nummod	3:nummod	_
3	months	month	NOUN	NNS	Number=Plur	4	obl:npmod	4:obl:npmod	_
4	later	late	ADV	RBR	Degree=Cmp	8	advmod	8:advmod	SpaceAfter=No
5	,	,	PUNCT	,	_	8	punct	8:punct	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	7:det	_
7	compressor	compressor	NOUN	NN	Number=Sing	8	nsubj	8:nsubj	_
8	went	go	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
9	out	out	ADP	RP	_	8	compound:prt	8:compound:prt	SpaceAfter=No
10	.	.	PUNCT	.	_	8	punct	8:punct	_
