Lilli will often ask her friends to play games when she’s do…

Lilli will often ask her friends to play games when she’s done with homework. She never asks Cora, who rudely says, “No!” when Lilli asks. She also does not ask Cameron, as he is usually playing videogames and ignores her. Lilli also never asks her friends on Tuesdays when her cousins come over to play. Which of the following is functioning as an SΔ in this scenario?