Determine the sentiment of the tweet "omg so grateful to have an education but ive been back at school for 2 (two) days and my back hurts, im exhausted and breaking out already 😍" 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.