Consider the following premises. If it is late, then it is cold. If Sarah drinks water, then it is late. For all z_1, if z_1 makes tea, then z_1 is drinking water. Can we infer the following from them? If Sarah makes tea, then it is cold.
 From the fact that for all z_1, if z_1 makes tea, then z_1 is drinking water we can infer that if Sarah makes tea, then Sarah is drinking water. From the fact that if Sarah drinks water, then it is late, and that if it is late, then it is cold we can infer that if Sarah drinks water, then it is cold. Finally, from the fact that if Sarah makes tea, then Sarah is drinking water, and that if Sarah drinks water, then it is cold we can infer that if Sarah makes tea, then it is cold. Therefore, the answer is yes.