What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_10, x_10 will read a book or x_10 is a taxi driver. For all x_10, x_10 will not make tea. For all x_10, x_10 is fast. For all x_10, x_10 will make tea if and only if x_10 will read a book.
For all x_10, if x_10 makes tea, then x_10 is reading a book. For all x_10, if x_10 reads a book, then x_10 is making tea. For all x_10, x_10 will not read a book.