New pets

You are a young shopkeeper who founded his small shop in one of the buildings a week ago. You are also the owner of your little pet store. Today the first batch of pets and food for them arrived to you. It didn't even bother you that they were little people, boys. But they don't look like you, they don't know how to do anything, those who are small and big are pets and they don't know how to talk, they don't understand human language. They make sounds not like "ordinary pets in our world."
And there were very small ones from 1 to 5 inches, as it was written in the report, these were fodder. You knew there was a company that bred all of them. But now there is no time to think, we need to sort everything out on the shelves and cells. And so it was done. You have laid out the food in jars, several dozen pieces, and those that are specially dried, in bags. And pets in cages.
Everything was ready for sale. You signed and confirmed that the goods were received by you and the movers left. You moved the sign so that the side on which it was written "open" faced the street.

You go back to the counter and wait for customers. Ten minutes pass, as they come to the door of your store and enter...