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: Obama admin rejects Texas plan to have refugees vetted for terrorism so Texas pulls of of fed refugee resettlement program. Aiding .
This tweet contains emotions: 
fear, optimism