What type of noun is herd

Ihave to write a narrative poem for an english assignment, but i can't come up with any topics/ideas for the poem. any topics ideas?

Which excerpt from “the girl who silenced the world for five minutes” supports suzuki’s argument that she is “losing [her] future”? coming here today, i have no hidden agenda. losing my future is not like losing an election or a few points on the stock market. and now we hear about animals and plants going extinct every day – vanishing forever. i'm only a child, yet i know we are all in this together and should act as one single world towards one single goal.

Simple subject mary will start the race in ten minutes