Context: " " Of course , " Twelve hissed , full of contempt . He kept his eyes on the woman , who was leaning against the wall , looking slightly green . " We wo n't be on this train forever .

Question: What is the reason the woman looked slightly green .
Options:
0. The christmas lights were green .
1. None of the above choices .
2. She had a green santa hat on .
3. She had green makeup
Answer: 1