Please answer the following question by reasoning step-by-step. Given the sentence "A person in a mask cleans a toilet." can we conclude that "The school janitor cleans the toilet."?\nOptions:\n- yes\n- it is not possible to tell\n- no. Step-by-step reasoning:
User
A janitor does not necessarily wear a mask when they clean the toilet. So the answer is it is not possible to tell.
Assistant