Consider the following premises. If Jennifer makes tea, then Jennifer is driving a car. Jennifer is not driving a car. Robert is cooking if and only if Elisabeth is a politician. Robert is not cooking. Can we infer the following from them? Elisabeth is not a politician.
 From the fact that if Jennifer makes tea, then Jennifer is driving a car, and that Jennifer is not driving a car we can infer that Jennifer is not making tea. Finally, from the fact that Robert is cooking if and only if Elisabeth is a politician, and that Robert is not cooking we can infer that Elisabeth is not a politician. Therefore, the answer is yes.