Emerging writers often feel the need for a prologue or introduction. The critiquer's job is to help the writer whittle away the excess until the story emerges as a finished sculpture. A little boy sat on a stump, contemplating a chunk of wood in his hand. All I have to do is cut away everything that does not look like an elephant. Pages of description can make your reader lose contact with the characters.
Static dialogue is no better than empty space.
Speech that neither defines character nor moves plot can be deleted. We live in separate corners of the world. There may be publications in your area that use material such as the work you are critiquing. It may be an unknown publication to the writer. If you use this simple guideline in preparing critiques, you will not only assist the writer, you will learn how to improve your own work.