"Sex cases that depend upon what the meaning of the word ‘with’ is"

VC:

Say you’re a lawyer, and state bar rules ban you from having sex “with a current client.” What if you’re having a three-way sexual encounter with your current client and the client’s girlfriend? Is that having sex “with” the client, because you and the client are having sex together (much like you might be going skiing “with” a friend)? Or is it not, because you and the client are not actually physically stimulating the other?

Not a hypothetical! These are the facts of a real case