The sentence fragment present in those sentences is...
Regina and her younger sisters.
Answer/Explanation:
Dehumanization is the denial of full humanness in others and the cruelty and suffering that accompanies it. viewing and treatment of other persons as though they lack the mental capacities that are commonly attributed to human beings.
Answer:
1. Hit it off (made it work)
2. Catch up (find out what someone has been doing)
3. Pick on (Make fun of, bully, abuse, mock)