Consider the following premises. If it is sunny, then Elisabeth is not climbing a mountain. For all x_19, if x_19 drives a car, then x_19 is sad. If Patricia were sad, then Elisabeth is climbing a mountain. If David listens to a song, then Elisabeth is climbing a mountain. David is listening to a song or Patricia is driving a car. Can we infer the following from them? If we can, name the inference rule being used: It is not cloudy.
We cannot infer that from the premises. Therefore the answer is no.