IN:
Multi-choice problem: [they]

The dumpsters arrived each day to retrieve the garbage of the population, but they can be called to arrive if requested.

OPTIONS:
- The dumpsters
- the population

OUT:
The dumpsters

IN:
Multi-choice problem: [they]

Apple indicated that the Siri program would not be available for previous IPhones, but they were proven wrong when hackers were successful.

OPTIONS:
- Apple
- previous IPhones

OUT:
Apple

IN:
Multi-choice problem: [he]

Mr. Sanders gave James a promotion because he appreciated his good work.

OPTIONS:
- Mr. Sanders
- James

OUT:
Mr. Sanders

IN:
Multi-choice problem: [they]

Some people proclaimed at the Ontario conventions that we need to colonize planets in the near future since they are places where people can voice these kinds of concerns among like minded people.

OPTIONS:
- Some people
- the Ontario conventions

OUT:
the Ontario conventions