Determine how strongly sadness is expressed in the following tweet. Use the scale: 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.
Tweet: All the 'juniors' are now wearing purple at ollafest while I'm here fighting with my alarm about when I need to wake up for German #sadness
2: moderate amount of sadness can be inferred