Consider the following premises. For all x_8, if x_8 drives a car, then x_8 is bored. For all x_8, x_8 will drive a car. For all x_8, if x_8 were bored, then x_8 is a politician. For all x_8, x_8 is a doctor. Can we infer the following from them? If we can, name the inference rule being used: Jennifer is not a doctor.
That contradicts the premises. Therefore the answer is no.