A salesman was employed by a florist, who owned a retail shop adjacent to a large wholesale nursery. The owner of the nursery liked to use a brand-name artificial fertilizer for her plants, although other effective fertilizers were available at comparable prices. She stored a large quantity of the fertilizer in a heap on the nursery's property, as did many other nursery owners without incident. The fertilizer gave off fumes that caused the salesman to suffer lung irritation. Occasionally, the salesman's irritations became so bad that he had to take off from work and seek medical attention. After losing a few hundred dollars in wages and amassing a few hundred dollars in medical expenses, the salesman sued the nursery owner for damages. The court is likely to rule in favor of: