What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Karen is rich. It is overcast or Jessica is not happy. It is not overcast. For all x_24, if x_24 cooks, then x_24 is happy.
Jessica is not happy. Karen is rich and it is not overcast. It is not overcast and Karen is rich. If Jessica were happy, then it is overcast.