Which analogy best describes a single economic action?

there is a app that you show the question and it anwsers it in the app store

there is no possible way mgk stands a chance with the greatest white rapper of all time. eminem killshots had more bars than rap devil and the reason mgk is doing all this is cause he not getting attention anymore til the release of rap devil and the disses he is putting on eminem. now rap devil was more fire than killshot so mgk might won the battle with rap devil but eminem won the war with killshot.

answer; synthetic production system;