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: the world drives whoever it has assessed as tenderhearted or vulnerable to build up their guards &amp; invigorate raging self defense mechanisms
This tweet contains emotions: 
anger, anticipation