Q: John thanked Bill because he had needed help.
Who he is? OPTIONS:
- John
- Bill
A: John

Q: Henry changed Jack's oil, because he gave him money.
Who he is? OPTIONS:
- Henry
- Jack
A: Jack

Q: The dumpsters arrived each day to retrieve the garbage of the population, but they can be called to arrive if requested.
Who they is? OPTIONS:
- The dumpsters
- the population
A:
The dumpsters