Question

In dust of snow why the poets bad mood changed after the incident?

Answer 1

because the snow was on his head which taken his happiness instantly

Answer 2

Answer:

While the poet was sitting under a hemlock tree regretting the bad day he had till now, a crow came flying over, shook a branch of the tree and some dust of snow fell over the poet. This incident gave a change of mood to the poet, after which he became happy and got ready to face the rest of the day.