Assess the level of the emotion sadness in the tweet provided. Use the following categories: 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: @LondonMidland #dobetter only two carriages on 14:49 Birmingham to Hereford no room to stand anymore Friday commute #unhappy
2: moderate amount of sadness can be inferred