Task: Categorize the tweet into an intensity level of the specified emotion E, representing the mental state of the tweeter. 0: no E can be inferred. 1: low amount of E can be inferred. 2: moderate amount of E can be inferred. 3: high amount of E can be inferred.
Tweet: 'It is not uncommon for #people to spend their whole life waiting to start living.' ~ Eckhart Tolle #happiness #live
Emotion: joy
Intensity class: 