A: Were you able to get a look at the suspect's face? B: Yes. I know exactly what he looks like. A: I must ask you to pick him out of a line-up. B: That won't be a problem. A: Look closely at the five men in this line-up. B: I am looking. A: Do you see the suspect? B: Yes. He's in the line-up. A: What number is the suspect? B: Number four. A: Thank you for all your help. B: It was no problem at all.