Consider the following premises. For all x_4, x_4 will sleep. For all x_4, if x_4 sleeps, then x_4 is climbing a mountain. For all x_4, x_4 will read a book. Can we infer the following from them? Karen is reading a book.
 From the fact that for all x_4, if x_4 sleeps, then x_4 is climbing a mountain, and that for all x_4, x_4 will sleep we can infer that for all x_4, x_4 will climb a mountain. From the fact that for all x_4, x_4 will read a book, and that for all x_4, x_4 will climb a mountain we can infer that for all x_4, x_4 will read a book and x_4 will climb a mountain. From the fact that for all x_4, x_4 will read a book and x_4 will climb a mountain we can infer that Karen is reading a book and Karen is climbing a mountain. Finally, from the fact that Karen is reading a book and Karen is climbing a mountain we can infer that Karen is reading a book. Therefore, the answer is yes.