Answer:
To support a very general thesis about the text
It is the evening of August 6. After 12 hours of post-bomb suffering, a Japanese naval launch moves slowly down the seven rivers of Hiroshima, stopping at strategic spots. A young naval officer in a neat uniform announces that there is hope and that the people should be patient because help — a naval hospital ship — is coming. The survivors breathe easier knowing help is on the way.
Answer:
Here is a summary sentence you can use: "This poem makes me feel mysterious. I feel this way because the poem leaves a lot up to the imagination. It has me wondering what else happened in the poem. The poem means the fog enters the city and goes out as fast as it came in over the harbor and city.