answer: #Person1# asks #Person2# to identify a suspect's face out of a line-up.
documents: #Person1#: Were you able to get a look at the suspect's face?
  #Person2#: Yes. I know exactly what he looks like.
  #Person1#: I must ask you to pick him out of a line-up.
  #Person2#: That won't be a problem.
  #Person1#: Look closely at the five men in this line-up.
  #Person2#: I am looking.
  #Person1#: Do you see the suspect?
  #Person2#: Yes. He's in the line-up.
  #Person1#: What number is the suspect?
  #Person2#: Number four.
  #Person1#: Thank you for all your help.
  #Person2#: It was no problem at all.