Consider the following premises. For all x_5, if x_5 works, then x_5 is reading a book. For all x_5, x_5 is an office clerk. For all x_5, x_5 will work. Can we infer the following from them? For all x_5, x_5 will read a book.
 From the fact that for all x_5, x_5 will work, and that for all x_5, x_5 is an office clerk we can infer that for all x_5, x_5 will work and x_5 is an office clerk. From the fact that for all x_5, x_5 will work and x_5 is an office clerk we can infer that for all x_5, x_5 will work. Finally, from the fact that for all x_5, if x_5 works, then x_5 is reading a book, and that for all x_5, x_5 will work we can infer that for all x_5, x_5 will read a book. Therefore, the answer is yes.