What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_11, if x_11 sleeps, then x_11 is a carpenter. For all x_11, x_11 will sleep or x_11 will write a letter. For all x_11, if x_11 were bored, then x_11 is taking a plane. For all x_11, if x_11 writes a letter, then x_11 is a carpenter. For all x_11, x_11 is bored.
For all x_11, x_11 will take a plane. For all x_11, x_11 is a carpenter.