Consider the following premises. For all x_4, x_4 will sleep if and only if x_4 is a server. There is at least one x_4 for which if x_4 were curious, then x_4 is a server. Can we infer the following from them? For all x_4, the fact that x_4 were curious does not imply that x_4 is sleeping.
That contradicts the premises. Therefore the answer is no.