Does she introduce the character, the setting, or the conflict?

Chopin introduces character first.

As the day was pleasant, Madame Valmondé drove over to L’Abri to see Désirée and the baby.

It made her laugh to think of Désirée with a baby. Why, it seemed but yesterday that Désirée was little more than a baby herself; when Monsieur in riding through the gateway of Valmondé had found her lying asleep in the shadow of the big stone pillar.

The little one awoke in his arms and began to cry for “Dada.” That was as much as she could do or say.