What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_7 for which x_7 will drive a car. For all x_7, x_7 will climb a mountain. For all x_7, x_7 is a scientist.
For all x_7, x_7 will climb a mountain and x_7 is a scientist. For all x_7, x_7 is a scientist and x_7 will climb a mountain. There is at least one x_7 for which x_7 will drive a car and x_7 will climb a mountain. There is at least one x_7 for which x_7 will drive a car and x_7 is a scientist. There is at least one x_7 for which x_7 will climb a mountain and x_7 will drive a car. Some scientists will drive a car.