C89 Booty donkey friend

When I heard someone calling me, I turned my head and saw that little Miss Guo was running towards me with a yellow bag on her back and her short hair bouncing around her shoulders. I couldn't help but be stunned.

Little Guo nodded her head vigorously and said, "Yes, that's right."

What did I say?

With a face brimming with sunshine, little Guo said while grinning: "Big Brother Lu