Answer:
The sentences that contribute to a sense of hope in this excerpt from " The Story of an Hour" by Kate Chopin are:
*There stood, facing the open window, a comfortable, roomy armchair.
*She could see in the open square before her house the tops of trees that were all aquiver with the new spring life.
*The delicious breath of rain was in the air.
*The notes of a distant song which someone was singing reached her faintly, and countless sparrows were twittering in the eaves.
*There were patches of blue sky showing here and there through the clouds that had met and piled one above the other in the west facing her window.
Explanation:
The sentences that give the feeling of hope, do it through some specific words are connected to positive emotions, (eg. Open, comfortable, roomy -sentence 1-, open, new spring life - sentence 2-, delicious - sentence 3, distant song. sparrows twittering - sentence 4-, patches of blue sky through the clouds - sentence 5.) all of these words are definitions of hope in a positive context where this happy and lively things might not be right there yet but they're getting close and they're coming for sure.