Using the given tweet "Mou is too jovial and trying to impress those players too much. No player is bigger than manutd. SAF won't tolerate all this bs @ManUtd", determine the level of the author's emotional state. Your options are: 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.
-1: slightly negative emotional state can be inferred