Whose Eyewitness Testimony Is Probably the Most Reliable

Whose eyewitness testimony is probably the most reliable?

A) Millie's report given immediately after a grocery store robbery. She was simply asked to tell the police what she saw.
B) Fred's report given in court about a bank robbery a month ago. He has been interviewed several times by the defence attorney before appearing in court.
C) Sue's report given immediately after observing an attempted rape. She was asked very specific questions by the police, who had identified a suspect immediately after the assault.
D) All of the given choices are equally reliable.