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 is poor or x_13 will read a book. For all x_13, x_13 will make tea if and only if x_13 is a mechanic. For all x_13, x_13 will not make tea. There is at least one x_13 for which x_13 will read a book if and only if x_13 is a mechanic. For all x_13, x_13 is not poor or x_13 is a soldier.
For all x_13, x_13 will read a book or x_13 is a soldier. For all x_13, if x_13 makes tea, then x_13 is a mechanic. There is at least one x_13 for which if x_13 reads a book, then x_13 is a mechanic. For all x_13, if x_13 were a mechanic, then x_13 is making tea. There is at least one x_13 for which if x_13 were a mechanic, then x_13 is reading a book. For all x_13, x_13 is not a mechanic.