Given the emotion sadness and the tweet "@JuliaHB1 @talkRADIO culture &amp; language already protected.\n£ on 'promoting Welsh' better spent on Tourism or our dreadful schools ed record", classify the intensity of the emotion displayed in the tweet. The classification 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.