[usr] Yesterday, I saw my best friend in the park. He was with my ex. [sys] That's weird. Are they friends? [usr] No, they are not! I don't know what's going on [qst] ask me for further details [bhv] [None]
Oh, wow. I bet you were upset. Are you going to ask him about it?
Yesterday, I saw my best friend in the park. He was with my ex. I was very envious on him.