Walking into a store, the sales person greets your child, would you tell your child to say hello or just ignore the greeting?

No, I'd just ignore them and walk by, pulling my child behind me. 0%

Yes, I'd bend over and tell them, "Say hello," and wave. 100%

Depends, I want them to be terribly afraid of strangers, so they cry when people say hi to them. It's happened before. 0%