Critical Reasoning (CR) | In recent years, a village outside Osaka, Japan has taken to hosting a

GMATNinjaTwo GMATNinja sayantanc2k

Hi, I was wondering could one of you guys please help explain option A and B using the negation technique? Our conclusion is "only children take this festival seriously". When we negate option A " Any attendee who dresses up as a ninja does not takes the festival seriously", does it not destroy the conclusion? I am confused. Please help me!
...

---