For the tweet "@Cigna bows out for the moment. Rather than sulk, I'm going to @UCSF for an opinion from the guys studying #Oligodendroglioma. ✌️&amp; ❤️ &amp; 🍩's", 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.
0: no sadness can be inferred