Petition by third-party defendant (NC Farm Bureau) for discretionary review pursuant to G.S. 7A-31 allowed 5 October 1994. Petition by defendants (Mabe, et al) for discretionary review pursuant to G.S. 7A-31 allowed 5 October 1994. Petition by third-party plaintiff (Jesse Willard Scott) for discretionary review pursuant to G.S. 7A-31 allowed 5 October 1994.