What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_13, if x_13 makes tea, then x_13 is a carpenter. For all x_13, x_13 is excited if and only if x_13 is a carpenter. For all x_13, if x_13 were a janitor, then x_13 is excited. For all x_13, if x_13 plays squash, then x_13 is making tea. For all x_13, x_13 will play squash.
For all x_13, x_13 will make tea. For all x_13, if x_13 plays squash, then x_13 is a carpenter. For all x_13, if x_13 were excited, then x_13 is a carpenter. For all x_13, if x_13 were a carpenter, then x_13 is excited.