Even though many countries want to host the Olympics, only a few can afford it.
Answer:
I would help the group with three families.
Explanation:
The seniors, sad as this might sound, have already lived their lives. The group of young, strong people would seem enticing, but why save yourself if you could save others? The three families with young children still have so much to offer the world.
Reason, research, resonance, redescription, rewards, real-world events, and resistance. Hope this helped! :D