Given the emotion anger and the tweet "@delta correction 26 ppl. Checked in. Standing at the gate. &amp; Flt 1449 took off without us.", classify the intensity of the emotion displayed in the tweet. The classification options are: 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.
1: low amount of anger can be inferred