Evaluate the following tweet and classify the emotional state of the author into one of these levels: 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. Tweet: @nw_autonate \n\n*She held the back of his skull, smiling into the kiss.*
1: slightly positive emotional state can be inferred