Consider the following premises. For all x_4, if x_4 goes running, then x_4 is a writer. For all x_4, x_4 will go running or x_4 will drive a car. For all x_4, if x_4 drives a car, then x_4 is a writer. Can we infer the following from them? Karen is a writer.
 From the fact that for all x_4, if x_4 goes running, then x_4 is a writer, that for all x_4, if x_4 drives a car, then x_4 is a writer, and that for all x_4, x_4 will go running or x_4 will drive a car we can infer that for all x_4, x_4 is a writer. Finally, from the fact that for all x_4, x_4 is a writer we can infer that Karen is a writer. Therefore, the answer is yes.