Which statement best summarizes how the author organizes ideas in this article?
The author provides examples of experiment-related tasks before describing the specific materials used in the experiment.
The author states the purpose of the experiment and gives some experiment background before introducing the research team conducting the experiment.
The author provides first-hand accounts and impressions from the research team before introducing the actual experiment.
The author states the goal of the experiment and describes future practical applications before discussing previous failures and a plan for an additional experiment.
