In a maze learning experiment, rats who learned to navigate the maze quickly were bred with other rats who were fast learners and rats who learned slowly were bred with other rats who were slow learners. After several generations, this resulted in two lines of descendants dubbed __________ and __________, who had almost no overlap in maze performance.

A Team Maze Dull; 

B Team Maze Fast; 

Maze Slow Enhanced; 

Inhibited Maze Bright;