Given the emotion joy and the tweet "#lesson from @KevinHart4real #book I'll apply:  In #life U always have a choice.  Kev had grimey things happen &amp; he #chose #optimism", classify the intensity of the emotion displayed in the tweet. The classification options are: 0: no joy can be inferred, 1: low amount of joy can be inferred, 2: moderate amount of joy can be inferred, 3: high amount of joy can be inferred.