Consider the following premises. If William were a nurse, then Robert is bored. If William were a nurse, then it is not windy. It is windy. If Robert were bored, then William is a nurse. Can we infer the following from them? Robert is bored.
 From the fact that if Robert were bored, then William is a nurse, and that if William were a nurse, then Robert is bored we can infer that Robert is bored if and only if William is a nurse. From the fact that if William were a nurse, then it is not windy, and that it is windy we can infer that William is not a nurse. Finally, from the fact that Robert is bored if and only if William is a nurse, and that William is not a nurse we can infer that Robert is not bored, which contradicts that Robert is bored. Therefore, the answer is no.