Write your own story. boy-Santosh-goes-market-sees- umbrella-picks up-takes- Police Station-meets-old man- Police Station old man angry-'That's my umbrella'- -— Santosh explains

A boy named Santosh was going to the market. He saw an umbrella lying on the road. He picked it up and went to police station. There he met the owner of the umbrella. He looked very angry and asked Santosh for explaining him. Santosh said 'I saw this umbrella on road so I brought it here.' The man believed him and took his umbrella back and returned home and Santosh went back to the market.

i believe it is the first choice (1.)

because the major theme is(“both the wild and civilization have rules.”)

and also as u said,( based on what buck learns within the call of the wild, "both the wild and civilization have rules".this is true of humans within society as well.