Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: Martin Roth leaving V&amp;A shoes the effects of #Brexit: bright and talented foreigners made to feel unwelcome and leaving U.K. #c4news
This tweet contains emotions: 
anger, disgust, joy, sadness