It’s false because connotation means the feelings you associate the words with. So when you think of sweetest you think of positive things like (candy, loving personality,etc) so SWEETEST HAS A POSITIVE CONNOTATION
I think the author uses a tone that is calm at times and frenzied depending on where in the story you mean.
btw u mean tone ;)
It could be harsh and abusive to a student especially if they are physically and mentally weaker
