Context: What a night . Where to start ... I went out to the Nightingale with a shed load of people for a wicked night out , I did the usual , drinking , chatting and dancing till around about 3 am , during that time I was necking Cider and Black ( black currant ) and being bitten by my friend , he has a really hard bite as I still have the teeth marks on my arm haha . After i 'd had around about 12 pints of cider and black and a few random glasses of Jagermeister and redbull we moved on to another bar called Glamorous , where I stayed for about 30 minutes , I went outside for a fag and nearly passed out !

Question: Why did the narrator almost pass out outside ?
Options:
0. They almost passed out because it was an usually hot night .
1. They almost passed out because of their meds as usual .
2. They almost passed out from dehydration from dancing until 3 AM .
3. They almost passed out because they were extremely drunk .
Answer: 3