Assess the emotional tone of the tweet "Summer Sale! BOGO 50% OFF everything in our retail showroom! Valid thru 7/15 mix &amp; match...equal or lesser value #BOGO #ragegrafix" using the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are present, reply "neutral or no emotion".