Normally the bloody butchering process does n't induce any gag factor for me , but I think I definitely felt my stomach lurch today . It was like a visceral epiphany , and I ' m convinced that I ca n't look at my mom 's kalbi the same way again . Ugh , I felt it again . However , I am craving some mint chocolate chop ice cream at the moment .
According to the above context, choose the best option to answer the following question.
Question: Why is the narrator 's stomach unsettled ?
Options:
- They have food poisoning .
 - None of the above choices .
 - They have the flu .
 - They saw an animal get butchered .


They saw an animal get butchered .