Consider the following premises. Robert is not listening to a song. Elisabeth is fast or it is not late. If Elisabeth were fast, then Robert is listening to a song. Can we infer the following from them? It is not late.
 From the fact that Elisabeth is fast or it is not late we can infer that if it is late, then Elisabeth is fast. From the fact that if it is late, then Elisabeth is fast, and that if Elisabeth were fast, then Robert is listening to a song we can infer that if it is late, then Robert is listening to a song. Finally, from the fact that if it is late, then Robert is listening to a song, and that Robert is not listening to a song we can infer that it is not late. Therefore, the answer is yes.