Candy?
After they exchanged some words, she asked Sammy if he wanted some candy. She said that if she let her buy him some candy they could do something really fun together. At this point, Sammy was definitely aware that things were off here. He was a smart kid after all and was now scared.
But instead of showing fear on his face, he looked around to see if anyone else was on the street, but there was no one around to help him. He started to think about what he could do to get this person away from him as soon as possible. Then he got an idea.