Read the tweet "United Airline at Newark needs more Kiosks so that people won't miss their cut off time.  And hire more ppl too.  #horrible" and determine the level of sadness present. Select from these options: 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.