Context: It reeked , and not like earth - a tarry , acrid scent . He stayed still a moment , trying to assess his situation , and his last memories . Falling asleep while Kisame watched - but he 'd been falling asleep on loam , and this harsh , hard ground beneath his cheek was anything but loam . Add to that he could n't sense Kisame 's chakra anywhere and he had n't woken .

Question: What may be the reason he was n't sleeping on loam ?
Options:
0. He is suddenly allergic to it .
1. He was kidnapped .
2. He was n't at home .
3. He could n't bring it with him .
Answer: 2