Sales agents Hattie and Bob work for broker Phil. Hattie procures a listing agreement from a seller and Bob procures a buyer representation agreement with a buyer. Bob's buyer wants to buy Hattie's listing. An intermediary situation has arisen. Phil does not make appointments, but allows Bob and Hattie to continue working with their respective clients. Which of the following statements is TRUE?
A) Bob and Hattie can each give advice and opinions to each of their respective clients.
B) Neither Hattie nor Bob are allowed to give advice and opinions to either client.
C) Hattie may give advice and opinions to her seller but Bob may not give advice and opinions to the buyer.
D) Broker Phil may give advice and opinions directly to the buyer and seller clients to help them conduct the transaction properly and produce a sale.