> You're just making up arbitrary rules that you apply inconsistently. My language has… I’m not sure what your language has, but you definitely hit the nail on

> You're just making up arbitrary rules that you apply inconsistently. My language has… I’m not sure what your language has, but you definitely hit the nail on the head with your inadvertent description of the English language: (seemingly) arbitrary rules applied inconsistently. You’re absolutely correct that an inexperienced lab assistant does not refer to the lab. The GP isn’t wrong either.