A mandibular central incisor is to be extracted and added to a partial denture. The impression to add a tooth to the denture should be made

after the extraction without the denture in the mouth.

after the extraction with the denture in the mouth and pouring the impression leaving the denture in the impression.

before the extraction with the denture in the mouth, removing the denture from the impression then pouring the impression.

after the extraction with the denture in the mouth, removing the denture from the impression then pouring the impression