When you have conflict with someone, you talk about it or chat with the person about it. That is the reasonable behaviour of a grown up.

You don't however spit @ or into their meal. It's unhealthy, unprofessional, questionable of her sanity and ultimately 6 year , immature and childish.

And for all intent and purposes she should be reprimanded. Where does she think she's in? Kidagarteen? I don't condone bad behaviour of any sort.

Audrey should have behaved more matured.