Context: Max 's sister came to visit last night on her way to New Orleans and brought our niece ( 2 ) and nephew ( 5 ) . ( Max went with them today ) . We blew up the air mattress and had a sleepover .

Question: What may be the reason for them staying overnight ?
Options:
0. They were up too late .
1. They do n't have a home .
2. They do n't live in the area .
3. None of the above choices .
Answer: 2