Sales have fallen dramatically as consumers have turned instead to vinaigrettes, salsas, and mayonnaise.
Consumers do not prefer vinaigrettes, salsas, and mayonnaise which has caused sales to increase dramatically. 
mnli hypothesis: Consumers do not prefer vinaigrettes, salsas, and mayonnaise which has caused sales to increase dramatically.  premise: Sales have fallen dramatically as consumers have turned instead to vinaigrettes, salsas, and mayonnaise.