What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_2, if x_2 were a scientist, then x_2 is not a lawyer. For all x_2, if x_2 plays squash, then x_2 is a scientist. For all x_2, x_2 is a lawyer.
For all x_2, x_2 is not a scientist.