Assess the level of the emotion sadness in the tweet provided. Use the following categories: 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: @MHChat Childood experiences can  leave you with permanent deep sadness as adult  it can underlie everything #MHChat
3: high amount of sadness can be inferred