You are neighbors with this mother and daughter, the daughter, Linda, suddenly had a child at only 17. Every night the baby would cry loud a lot. You then thought it would be nice if you got some stuff to support the family and the little one. So you get some thing for the family to support them and you knock on the wall (cause they don't have a door to knock on :/) And so they answer

Linda: Who are you...?

The grandma is looking at you with a confused look while she's holding her grandson