3. A number of our people have narrated from Ahmad ibn Muhammad ibn ‘Isa from al-Husayn ibn Sa‘id from Fadalah ibn Ayyub from ibn Bukayr from ‘Ubayd ibn Zurarah who has said the following: “I once asked abu ‘Abd Allah عليه السلام, about the case of a man who takes wine and turns it into vinegar. He (the Imam) said, ‘It is not harmful.’”