Consider the following premises. If Patricia cooks, then Robert is playing a game. If Robert plays a game, then Robert is not drinking water. Robert is drinking water. Can we infer the following from them? Patricia is cooking.
 From the fact that if Robert plays a game, then Robert is not drinking water, and that Robert is drinking water we can infer that Robert is not playing a game. Finally, from the fact that if Patricia cooks, then Robert is playing a game, and that Robert is not playing a game we can infer that Patricia is not cooking, which contradicts that Patricia is cooking. Therefore, the answer is no.