The Seven Steps Poems

Compose a poem in seven steps. The theme is a black and white sketch of two bulls fighting at the foot of a wall, and one of them had just fallen dead into a well. You're forbidden to us the words 'two bulls, one bull, fighting, wall's foot, falling, well, and dead'. Fail and face the consequences. So said the elder brother to the younger brother.

Seven steps and out came the recitation:

Two butcher's victims lowing walked along,
Each head bore curving bones, a sturdy pair
They met just by a hillock, both were strong,
Each would avoid a pit newly dug there.
They fought unequal battles, for at length,
One lay below a gory mass, inert.
It was not that they were of unequal strength,
One did not strength exert.

Not enough, the older brother bade he improvise on the theme of their fraternal relationship, the words 'brotherhood, brother' being barred. With no hesitation the recital starts:

They were boiling beans on a beanstalk fire;
Came a plaintive voice from the pot,
'O why, since we sprang from the selfsame root,
Should you kill me with anger hot?'

The elder brother shed a few silent tears ashamed...