For the tweet "My encouragement today is my dog while my head is in a fog. #epicfail  #feelingfedup #tired #ihaveheardeverything #wondering", classify the intensity of the emotion sadness. The possible classifications 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.
2: moderate amount of sadness can be inferred