So when it says eighteen M that means that product, after eighteen months, is expired.
1	So	so	INTJ	UH	_	8	discourse	8:discourse	Discourse=context-background:34->37:0
2	when	when	ADV	WRB	PronType=Int	4	advmod	4:advmod	Discourse=contingency-condition:35->36:0
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	4:nsubj	Entity=(24-abstract-giv:act-cf1*-1-ana)
4	says	say	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	advcl	8:advcl:when	_
5	eighteen	eighteen	NUM	CD	NumForm=Word|NumType=Card	6	nummod	6:nummod	Entity=(27-abstract-new-cf2-2-coref|XML=<quote>
6	M	M	NOUN	NN	Number=Sing	4	obj	4:obj	Entity=27)|XML=</quote>
7	that	that	PRON	DT	Number=Sing|PronType=Dem	8	nsubj	8:nsubj	Discourse=same-unit_m:36->34:0|Entity=(27-abstract-giv:act-cf2-1-ana)
8	means	mean	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
9	that	that	DET	DT	Number=Sing|PronType=Dem	10	det	10:det	Entity=(16-object-giv:inact-cf3-2-coref
10	product	product	NOUN	NN	Number=Sing	17	nsubj	17:nsubj	Entity=16)|SpaceAfter=No
11	,	,	PUNCT	,	_	10	punct	10:punct	_
12	after	after	ADP	IN	_	14	case	14:case	_
13	eighteen	eighteen	NUM	CD	NumForm=Word|NumType=Card	14	nummod	14:nummod	Entity=(20-time-giv:inact-cf4-2-coref
14	months	month	NOUN	NNS	Number=Plur	17	obl	17:obl:after	Entity=20)|SpaceAfter=No
15	,	,	PUNCT	,	_	14	punct	14:punct	_
16	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	17	cop	17:cop	_
17	expired	expired	ADJ	JJ	Degree=Pos	8	ccomp	8:ccomp	SpaceAfter=No
18	.	.	PUNCT	.	_	8	punct	8:punct	_
