His Alien Barbarian Girl and Her Robot Dog

"Mistress! Machine Mind has detected landmasses on the planet's surface! I can calculate the lengths of connected segments of land from where I am, looking down on them from above, but as a canine I can only see them in black and white."

"Don't worry! I can see the colors clearly from my position, and I can accurately report the lengths of all the different tracts of colored land from left to right. Stand behind me, and I shall protect you from the natives with my pointy spear!"