"I know two Roses. One... Rose Tyler and another Rose I just met today. And now that I think of it they both have British accents. One's a blonde though and the other more of a brunette." Leave it to Derek to boil the distinctions down to hair color. Hey, he notices pretty girls, okay?
"I'll make sure to leave the meeting open to those who are interested in joining the Investigative team too though." He adds.