Consider the following premises. For all x_7, x_7 will make tea if and only if x_7 is an electrician. Sarah is an electrician if and only if it is windy. Sarah is not making tea. Can we infer the following from them? It is not windy.
 From the fact that for all x_7, x_7 will make tea if and only if x_7 is an electrician we can infer that Sarah is making tea if and only if Sarah is an electrician. From the fact that Sarah is making tea if and only if Sarah is an electrician, and that Sarah is not making tea we can infer that Sarah is not an electrician. Finally, from the fact that Sarah is an electrician if and only if it is windy, and that Sarah is not an electrician we can infer that it is not windy. Therefore, the answer is yes.