I believe the answer is: <span>dark grey cat
According to the </span><span>concept of a generalization gradient, if we exposed to a certain stimulus for a long period of time, we tend to will lower the power of response to the stimulus over time.So, according to this concept, the cat that most likely make him happy would be a less darker cat that he used to like when he's a child.</span>
First amendment. The amendment that basically guarantees us the right to you think freely and express ours view from other gives us the ability to reason rather than fear