Look at the tweet "@Craig_DG @lillepwss I think this might sadly be too late for @DuncanWeldon or @jimwaterson…" and classify the intensity of the emotion sadness. Your options are: 0: no sadness can be inferred, 1: low amount of sadness can be inferred, 2: moderate amount of sadness can be inferred, 3: high amount of sadness can be inferred.