The Winner

Personification

Personification gives human qualities to non-human things. Here, night is shown as winning, which is a human action.

Children play ball in the evening, They run very fast, The sky changes from blue to black

The poem mentions children playing ball in the evening, running fast, and the sky changing from blue dark to black. They don't play inside or in the morning.

Because the grass is cold

The poem states 'cold grass aches our feet', indicating the cold grass is making their feet ache.

Evening

The poem begins with 'Evenings, we play ball' and describes the transition from evening to night.