Task: Evaluate the tweet for emotional cues and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that indicate the tweeter's state of mind.
Tweet: How come quiet well behaved cats and dogs have to ride on a plane in a tiny bag while screaming small humans roam free? #outrage #teampet
This tweet contains emotions: 
anger, disgust