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: for an lgbt person to tell someone else that how they identify isn't valid is so sad and against everything we should stand for
This tweet contains emotions: 
pessimism, sadness