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, x_11 will read a book or x_11 will climb a mountain. There is at least one x_11 for which x_11 will read a book if and only if x_11 will make tea. For all x_11, x_11 is rich if and only if x_11 will make tea. For all x_11, x_11 is not rich.
For all x_11, if x_11 were rich, then x_11 is making tea. There is at least one x_11 for which if x_11 reads a book, then x_11 is making tea. For all x_11, if x_11 makes tea, then x_11 is rich. There is at least one x_11 for which if x_11 makes tea, then x_11 is reading a book. For all x_11, x_11 will not make tea.