集団 しゅうだん しょく中毒 ちゅうどくじゃないです
shūdanshokuchūdokujanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 集団食中毒

1. It's not food poisoning.; It's not a group food poisoning.

Negative
Polite
Casual Register