I'm unsure of this, because once I watched a commercial of cat food with my cat and she didn't react to seeing another cat on TV.
1-2	I'm	_	_	_	_	_	_	_	_
1	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	3	nsubj	3:nsubj	_
2	'm	be	AUX	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	3	cop	3:cop	_
3	unsure	unsure	ADJ	JJ	Degree=Pos	0	root	0:root	_
4	of	of	ADP	IN	_	5	case	5:case	_
5	this	this	PRON	DT	Number=Sing|PronType=Dem	3	obl	3:obl:of	SpaceAfter=No
6	,	,	PUNCT	,	_	3	punct	3:punct	_
7	because	because	SCONJ	IN	_	10	mark	10:mark	_
8	once	once	ADV	RB	NumType=Mult	10	advmod	10:advmod	_
9	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	10	nsubj	10:nsubj	_
10	watched	watch	VERB	VBD	Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin	3	advcl	3:advcl:because	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	12:det	_
12	commercial	commercial	NOUN	NN	Number=Sing	10	obj	10:obj	_
13	of	of	ADP	IN	_	15	case	15:case	_
14	cat	cat	NOUN	NN	Number=Sing	15	compound	15:compound	_
15	food	food	NOUN	NN	Number=Sing	12	nmod	12:nmod:of	_
16	with	with	ADP	IN	_	18	case	18:case	_
17	my	my	PRON	PRP$	Case=Gen|Number=Sing|Person=1|Poss=Yes|PronType=Prs	18	nmod:poss	18:nmod:poss	_
18	cat	cat	NOUN	NN	Number=Sing	10	obl	10:obl:with	_
19	and	and	CCONJ	CC	_	23	cc	23:cc	_
20	she	she	PRON	PRP	Case=Nom|Gender=Fem|Number=Sing|Person=3|PronType=Prs	23	nsubj	23:nsubj	_
21-22	didn't	_	_	_	_	_	_	_	_
21	did	do	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	23	aux	23:aux	_
22	n't	not	PART	RB	_	23	advmod	23:advmod	_
23	react	react	VERB	VB	VerbForm=Inf	10	conj	3:advcl:because|10:conj:and	_
24	to	to	SCONJ	IN	_	25	mark	25:mark	_
25	seeing	see	VERB	VBG	VerbForm=Ger	23	advcl	23:advcl:to	_
26	another	another	DET	DT	_	27	det	27:det	_
27	cat	cat	NOUN	NN	Number=Sing	25	obj	25:obj	_
28	on	on	ADP	IN	_	29	case	29:case	_
29	TV	TV	NOUN	NN	Number=Sing	25	obl	25:obl:on	SpaceAfter=No
30	.	.	PUNCT	.	_	3	punct	3:punct	_
