Consider the following premises. Elisabeth is a bartender. John is drinking water. Jessica is a server. Can we infer the following from them? If we can, name the inference rule being used: Elisabeth is a bartender and John is drinking water.
 From the fact that Elisabeth is a bartender, and that Jessica is a server we can infer that Elisabeth is a bartender and Jessica is a server via conjunction. From the fact that Elisabeth is a bartender and Jessica is a server we can infer that Elisabeth is a bartender via simplification. Finally, from the fact that Elisabeth is a bartender, and that John is drinking water we can infer that Elisabeth is a bartender and John is drinking water via conjunction. Therefore, the answer is yes.