In the introduction to frankenstein how does mary shelley politely state that her husband percy is not suited to writing a goodghost story?

In her introduction to her novel Frenkenstein, Mary Shelley wrote en 1831 an account of the evening when Lord Byron proposed that a group consisting of Percy and Mary Shelley, John Willian Polidori, and Byron himself, should each write a ghost story, as a form of contest. Mary Shelley describes how each went about the task. In relation to her husband, she wrote: "Shelley, more apt to embody ideas and sentiments in the radiance of brilliant imagery, commenced one founded on the experiences of his early life." Percy Shelley, in fact, did not finish his story. Neither did Byron.

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

what makes a hero is someone who tries and acres and then to save people and it’s not their jobs to save them just a normal person that has no experts of saving people would jump in to action without it twice about doing it. me that’s the defection of a hero!