Consider the following premises. For all x_10, x_10 will play squash if and only if x_10 will listen to a song. For all x_10, x_10 will play tennis or x_10 will listen to a song. For all x_10, x_10 will play squash or x_10 will not play tennis. Can we infer the following from them? For all x_10, x_10 will play squash or x_10 is a musician.
 From the fact that for all x_10, x_10 will play squash or x_10 will not play tennis we can infer that for all x_10, if x_10 plays tennis, then x_10 is playing squash. From the fact that for all x_10, x_10 will play squash if and only if x_10 will listen to a song we can infer that for all x_10, if x_10 listens to a song, then x_10 is playing squash. From the fact that for all x_10, if x_10 plays tennis, then x_10 is playing squash, that for all x_10, if x_10 listens to a song, then x_10 is playing squash, and that for all x_10, x_10 will play tennis or x_10 will listen to a song we can infer that for all x_10, x_10 will play squash. Finally, from the fact that for all x_10, x_10 will play squash we can infer that for all x_10, x_10 will play squash or x_10 is a musician. Therefore, the answer is yes.