What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_8, x_8 will drink water if and only if x_8 is a carpenter. If Richard were curious, then Joseph is drinking water.
For all x_8, if x_8 drinks water, then x_8 is a carpenter. For all x_8, if x_8 were a carpenter, then x_8 is drinking water.