July 13, 1984 Appeal from the Supreme Court, Onondaga County, John R. Tenney, J. Schepp D'Addario ( Francis R. D'Addario of counsel), for appellants. Mackenzie, Smith, Lewis, Michell Hughes ( Catherine A. Gale of counsel), for respondent. GREEN, J. The adequacy of the warning in a products liability case based on a failure to warn is, in all but the most unusual circumstances, a question of fact to be determined at trial. Special Term erred in this case finding the warning on the label of the product