Question:
The Chinese Empire banished the Wu Shu family from the kingdom since they tried to avoid conflict.

they
Answer:
The Chinese Empire
Question:
When the preschoolers visited the senior citizens, they were surprisingly well behaved.

they
Answer:
the preschoolers
Question:
The elephant trampled a fish and it died.

it
Answer:
a fish
Question:
Parents send their children to bed, and they have to listen to authority since they are dependents.

they
Answer:
their children