It may be a problem because the temperature is constantly changing.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	5:nsubj	_
2	may	may	AUX	MD	VerbForm=Fin	5	aux	5:aux	_
3	be	be	AUX	VB	VerbForm=Inf	5	cop	5:cop	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	5:det	_
5	problem	problem	NOUN	NN	Number=Sing	0	root	0:root	_
6	because	because	SCONJ	IN	_	11	mark	11:mark	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	8:det	_
8	temperature	temperature	NOUN	NN	Number=Sing	11	nsubj	11:nsubj	_
9	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	aux	11:aux	_
10	constantly	constantly	ADV	RB	_	11	advmod	11:advmod	_
11	changing	change	VERB	VBG	Tense=Pres|VerbForm=Part	5	advcl	5:advcl:because	SpaceAfter=No
12	.	.	PUNCT	.	_	5	punct	5:punct	_
