Task: Assess the valence intensity of the snippet, providing a rating between 0 (most negative) and 1 (most positive), reflecting the emotional depth conveyed in the message.
Snippet: A man who rarely rides the subway took a train from Times Square to Brooklyn the other day and emerged doubly impressed: Beyond the unexpected cleanliness of the system - his train's walls and windows were entirely free of graffiti - he had been subjected to a heavy dose of advertising about sex-related problems.
Intensity score: 