Determine the valence intensity of the writer's mental state conveyed in the snippet "What remains is a variant of the nincompoop Benigni persona, here a more annoying, though less angry version of the irresponsible Sandlerian manchild, undercut by the voice of the star of Road Trip.". Provide a score from 0 to 1, where 1 signifies very positive and 0 signifies very negative.