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: Just finished #TheKeeperOfLostThings.  Incredible, #charming #book!  LOVED it!! @ruthmariehogan  You weave story telling magic!  LOVE!!!!