The conversation between human and AI assistant.
[|Human|] Determine the valence score of the following text.
[|AI|] The valence score of the text "My day was filled with sorrow" is negative. The word "sorrow" indicates a strong negative emotion, suggesting that the speaker experienced sadness, grief, or disappointment. As a result, the overall valence of the sentence is negative.
[|Human|] 
Determine the valence score of the following text.