Evaluate the tweet for the intensity of the emotion joy. The categories are as follows: 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.
Tweet: @Babylonian I convinced my mom to watch it. Killgrave gave her literal nightmares, but watched last episode four times.
0: no joy can be inferred