Explanation: "Chick", "puppy" and "kitten" are all names for baby animals, while "mouse" is simply the name of an animal. This is a test of verbal communication skills, but also pattern recognition and logical problem solving. Mechanics and automobile technicians must be able to diagnose the source of a problem quickly and accurately. This requires expert knowledge and sharp problem-solving skills. Many technicians consider diagnosing hard-to-uncover problems the most challenging and rewarding aspect of their duties.