Context: Hakkai blinked and looked up from where he was kneeling on the floor of the small bedroom , digging through his pack in search of his toothbrush . Hakuryuu was already asleep on the pillow of the spare bed . " It was just a simple room switch , Goku , " Hakkai said with a smile . Goku huffed slightly .

Question: Why might Hakkai looking for his toothbrush ?
Options:
0. Hakkai wants to brush Hakuryuu 's teeth before bed
1. Hakkai wants to brush Goku 's teeth before bed
2. None of the above choices .
3. Hakkai wants to brush the room before bed
Answer: 2