Determine how strongly sadness is expressed in the following tweet. Use the scale: 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: @asjoshtaylor sadly I don't think I'll see you on tour, but have fun, you're gonna rock! 🎉👌🏻💙 #HotForMeTour
0: no sadness can be inferred