Memory Loss

"You know him?" asked the woman named Naca, pointing to a man standing beside Yogo.

 "Should I know everyone? Why are you asking that when I'm meeting you for the first time?!" I exclaimed in frustration. Really, this situation made me feel very uncomfortable. Everyone looked at me with strange looks that I couldn't understand.

 I turned to Bambang for an explanation.

 "Mel, you look at them one by one, who you know, and who you don't recognize," asked Bambang.

 If the look on his face wasn't that serious, I might have thought that Bambang was playing a prank on me.

 But, whatever. I'll do it to make things clear quickly. There are several men and two women here.