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, x_13 will read a book. For all x_13, if x_13 were a scientist, then x_13 is a musician. For all x_13, x_13 is a scientist. For all x_13, if x_13 were a musician, then x_13 is a carpenter.
For all x_13, x_13 is a musician. For all x_13, if x_13 were a scientist, then x_13 is a carpenter. For all x_13, x_13 will read a book and x_13 is a scientist. For all x_13, x_13 is a scientist and x_13 will read a book.