B I think! Hope this helps
Train. At least I'm pretty sure. Unless I didn't understand you correctly.
Answer: Hello, As a third child, Luke and his parents are in violation of a law called the population law. Luke, like all third children, must spend his days hidden or away from public view, or else they will be killed or imprisoned, as well as their families.
Explanation:
ABBA. Sky and lie would be A. Air and fair would be B. Therefore... Sky (A), Air (B), Fair (B), Lie (A), would make ABBA.