Based on the given tweet, determine the level of sadness the author is experiencing. Choose from the following 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.
Tweet: U know u have too much on ur mind when u find yourself cleaning a stove and kitchen by yourself  at almost 3am...  #pensive
2: moderate amount of sadness can be inferred