What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x, if x were curious, then x is climbing a mountain. For all x, x is a taxi driver or x is curious. For all x, if x were a taxi driver, then x is climbing a mountain. There is at least one x for which x will make tea if and only if x will climb a mountain.
For all x, x will climb a mountain. There is at least one x for which if x makes tea, then x is climbing a mountain. There is at least one x for which if x climbs a mountain, then x is making tea.