What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_10, x_10 is fast. For all x_10, if x_10 were fast, then x_10 is an office clerk. There is at least one x_10 for which if x_10 were an office clerk, then x_10 is a carpenter. For all x_10, if x_10 were a carpenter, then x_10 is a lawyer.
For all x_10, x_10 is an office clerk. There is at least one x_10 for which if x_10 were an office clerk, then x_10 is a lawyer. There is at least one x_10 for which if x_10 were fast, then x_10 is a carpenter.