Determine how strongly anger is expressed in the following tweet. Use the scale: 0: no anger can be inferred, 1: low amount of anger can be inferred, 2: moderate amount of anger can be inferred, 3: high amount of anger can be inferred.
Tweet: #ADP's #ezlabor web portal has to be THE SLOWEST web app I have ever had the displeasure of using!!
3: high amount of anger can be inferred