Consider the following premises. For all x_8, if x_8 climbs a mountain, then x_8 is a scientist. For all x_8, x_8 is not a scientist. If it is cloudy, then Susan is climbing a mountain. If Susan climbs a mountain, then it is cloudy. Can we infer the following from them? It is cloudy.
 From the fact that for all x_8, if x_8 climbs a mountain, then x_8 is a scientist, and that for all x_8, x_8 is not a scientist we can infer that for all x_8, x_8 will not climb a mountain. From the fact that for all x_8, x_8 will not climb a mountain we can infer that Susan is not climbing a mountain. From the fact that if Susan climbs a mountain, then it is cloudy, and that if it is cloudy, then Susan is climbing a mountain we can infer that Susan is climbing a mountain if and only if it is cloudy. Finally, from the fact that Susan is climbing a mountain if and only if it is cloudy, and that Susan is not climbing a mountain we can infer that it is not cloudy, which contradicts that It is cloudy. Therefore, the answer is no.