Responses
I think the rule only applies to words, or whats coming out of the mouth. So if you notice, in s1, whenever D would ask questions to F, F wouldnt throw a definite answer, but will answer D back with a question. Because with question, youre not declaring anything.
So basically acting doesn’t exist in that world because it’s considered a lie? Btw, the story has many plot holes, but oh well, at least it’s interesting.