What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_1, x_1 is a musician if and only if x_1 will make tea. For all x_1, x_1 is a musician. There is at least one x_1 for which x_1 will go running.
There is at least one x_1 for which x_1 will go running and x_1 is a musician. Some musicians will go running. For all x_1, if x_1 were a musician, then x_1 is making tea. For all x_1, if x_1 makes tea, then x_1 is a musician.