What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Jennifer is running if and only if James is happy. If James were happy, then Patricia is not climbing a mountain. Jennifer is running if and only if it is raining. Patricia is climbing a mountain.
James is not happy. If Jennifer goes running, then James is happy. If Jennifer goes running, then it is raining. If James were happy, then Jennifer is running. If it rains, then Jennifer is running.