Tony, Silvio, Paulie, and Christopher Were All in the Convenience

Tony, Silvio, Paulie, and Christopher were all in the convenience store when it was robbed.Who is likely to be the most reliable eyewitness?

A) Tony, who was the only one to notice that the thief was brandishing a gun
B) Silvio, who was extremely aroused by the whole incident
C) Paulie, who was drunk at the time of the crime
D) Christopher, who is the same race as the thief