Consider the following premises. If Elisabeth makes tea, then David is a janitor. William is fast. Elisabeth is making tea or David is a poet. For all x_14, if x_14 were a poet, then x_14 is a janitor. Can we infer the following from them? If we can, name the inference rule being used: Elisabeth is making tea or David is a poet.
That is one of the premises. Therefore, the answer is yes.