Consider the following premises. Jessica is working and Linda is playing a game. Susan is playing tennis and Elisabeth is drinking water. Can we infer the following from them? If we can, name the inference rule being used: Jessica is working.
 From the fact that Susan is playing tennis and Elisabeth is drinking water we can infer that Susan is playing tennis via simplification. Finally, from the fact that Jessica is working and Linda is playing a game we can infer that Jessica is working via simplification. Therefore, the answer is yes.