Consider the following premises. For all x_10, if x_10 were a doctor, then x_10 is a lawyer. For all x_10, x_10 is a doctor. Jessica is a nurse. Can we infer the following from them? Some lawyers are nurses.
 From the fact that for all x_10, if x_10 were a doctor, then x_10 is a lawyer, and that for all x_10, x_10 is a doctor we can infer that for all x_10, x_10 is a lawyer. From the fact that Jessica is a nurse we can infer that there is at least one x_10 for which x_10 is a nurse. Finally, from the fact that for all x_10, x_10 is a lawyer, and that there is at least one x_10 for which x_10 is a nurse we can infer that some lawyers are nurses. Therefore, the answer is yes.