Analyze the tweet "@theflabar It's a #foggy and #dark morning here - so #filter this time.  For #lighting purposes. :)" to classify the intensity of the emotion sadness. Your options 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.
1: low amount of sadness can be inferred