Consider the following premises. William is listening to a song. If William listens to a song, then James is playing tennis. If James plays tennis, then Karen is a server. Karen is not a server or Linda is a mechanic. Can we infer the following from them? Jennifer is sleeping or Linda is a mechanic.
 From the fact that if William listens to a song, then James is playing tennis, and that if James plays tennis, then Karen is a server we can infer that if William listens to a song, then Karen is a server. From the fact that if William listens to a song, then Karen is a server, and that William is listening to a song we can infer that Karen is a server. From the fact that Karen is a server we can infer that Karen is a server or Jennifer is sleeping. Finally, from the fact that Karen is a server or Jennifer is sleeping, and that Karen is not a server or Linda is a mechanic we can infer that Jennifer is sleeping or Linda is a mechanic. Therefore, the answer is yes.