Read the following context and choose the best option to answer the question.
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: 
- Hakkai wants to brush Hakuryuu 's teeth before bed
 - Hakkai wants to brush Goku 's teeth before bed
 - None of the above choices .
 - Hakkai wants to brush the room before bed


None of the above choices .