Context: He looked down suddenly , as the floor felt different . He was standing on grass . He looked confused as he glanced around his room . It all looked the same , apart from the grass on his floor .

Question: What may be the reason for having grass on the floor ?
Options:
0. They are actually outside .
1. None of the above choices .
2. They actually do have grass on the floor .
3. They are dreaming .
Answer: 3