Determine the sentiment of the 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" by categorizing it into one of the following emotional states: 3: very positive emotional state can be inferred, 2: moderately positive emotional state can be inferred, 1: slightly positive emotional state can be inferred, 0: neutral or mixed emotional state can be inferred, -1: slightly negative emotional state can be inferred, -2: moderately negative emotional state can be inferred, -3: very negative emotional state can be inferred.
-3: very negative emotional state can be inferred