What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_7, x_7 will write a letter or x_7 is curious. For all x_7, if x_7 writes a letter, then x_7 is not drinking water. For all x_7, x_7 will drink water.
For all x_7, x_7 will not write a letter.