My favorite would have to be the rat.
1	My	my	PRON	PRP$	Case=Gen|Number=Sing|Person=1|Poss=Yes|PronType=Prs	2	nmod:poss	2:nmod:poss	_
2	favorite	favorite	NOUN	NN	Number=Sing	4	nsubj	4:nsubj|8:nsubj:xsubj	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	4:aux	_
4	have	have	VERB	VB	VerbForm=Inf	0	root	0:root	_
5	to	to	PART	TO	_	8	mark	8:mark	_
6	be	be	AUX	VB	VerbForm=Inf	8	cop	8:cop	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	8:det	_
8	rat	rat	NOUN	NN	Number=Sing	4	xcomp	4:xcomp	SpaceAfter=No
9	.	.	PUNCT	.	_	4	punct	4:punct	_
