Task: Analyze the tweet's emotional connotations 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 best portray the tweeter's mental state.
Tweet: Retweeted Dr. Rand Paul (@RandPaul):\n\nStop fueling a Middle East arms race and worsening an already horrific refugee crisis in Yemen.
This tweet contains emotions: 
anger, disgust, fear, sadness