I feel it is a horrid thing and absolutely messed up. It should never ever have been used or addressed as something allowed to happen. Also it was very racist obviously. It shouldn't happen ever again.
A simile can be found when using "like" or "as" between two things. Example: I'm as happy as a clown.
Your question would be a metaphor. Both things are being compared to a science expieriment, probably meaning that they need to have an outcome, but it isn't known for sure if it will be a good or bad outcome.
Things like this can be taken many ways, so if you think something else, I'm sure it would work as well.
Answer:
Dill's father is always sending him away to visit his aunt and Jem & Scout's father is loving and caring. He doesn't send them away and cares for them very much.
Explanation:
It would be the robin redbreast.
That's probably the best 21st century poem describing our group of people (aka millenials) I have ever seen. Well Done!
