Using the tweet "@ChikagaiHeichou Carla took Eren over to a bench so he could sit down again, sensing his weariness she thought it would be best if he »", determine how much sadness is shown. The categories 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.