Consider the following premises. If Karen cooks, then Karen is drinking water. If Karen doesn't cook, then Jennifer is sad. Karen is not drinking water. If Karen drinks water, then Karen is cooking. Can we infer the following from them? Jennifer is not sad.
 From the fact that if Karen drinks water, then Karen is cooking, and that if Karen cooks, then Karen is drinking water we can infer that Karen is drinking water if and only if Karen is cooking. From the fact that Karen is drinking water if and only if Karen is cooking, and that Karen is not drinking water we can infer that Karen is not cooking. Finally, from the fact that if Karen doesn't cook, then Jennifer is sad, and that Karen is not cooking we can infer that Jennifer is sad, which contradicts that Jennifer is not sad. Therefore, the answer is no.