The emotion annotation and representation language (EARL) proposed by the Human-Machine Interaction Network on Emotion (HUMAINE) classifies 48 emotions.[42] Negative and forceful Anger Annoyance Contempt Disgust Irritation Negative and not in control Anxiety Embarrassment Fear Helplessness Powerlessness Worry Negative thoughts Pride Doubt Envy Frustration Guilt Shame Negative and passive Boredom Despair Disappointment Hurt Sadness Agitation Stress Shock Tension Positive and lively Amusement Delight Elation Excitement Happiness Joy Pleasure Caring Affection Empathy Friendliness Love Positive thoughts Courage Hope Humility Satisfaction Trust Quiet positive Calmness Contentment Relaxation Relief Serenity Reactive Interest Politeness Surprise