This one is better for rats.
1	This	this	DET	DT	Number=Sing|PronType=Dem	2	det	2:det	_
2	one	one	NOUN	NN	Number=Sing	4	nsubj	4:nsubj	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	4:cop	_
4	better	good	ADJ	JJR	Degree=Cmp	0	root	0:root	_
5	for	for	ADP	IN	_	6	case	6:case	_
6	rats	rat	NOUN	NNS	Number=Plur	4	obl	4:obl:for	SpaceAfter=No
7	.	.	PUNCT	.	_	4	punct	4:punct	_
