Marilyn's 5-year-old daughter has the flu and needs to be admitted to the hospital for dehydration. Marilyn wants to stay overnight with her in the hospital, but the head nurse refuses her request. When Marilyn comes to you for help, you find out the hospital procedure for overnights, discuss this with Marilyn, and decide that you both should try to approach the head nurse about the situation. In this instance, you are using which of the following indirect client services? a. Outreach activities b. Client advocacy c. Confronting ethical issues d. Networking