What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_7, x_7 will make tea if and only if x_7 will climb a mountain. For all x_7, x_7 will make tea. For all x_7, if x_7 were a musician, then x_7 is not climbing a mountain.
For all x_7, if x_7 makes tea, then x_7 is climbing a mountain. For all x_7, if x_7 climbs a mountain, then x_7 is making tea.