Task: Text Categorization
Input (English): One poem by this author uses "the shades of girls" and "the gunman and his moll" to describe the title entities, which are "seedless in the light." This author proclaimed "the lips of time leech to the fountain head" in a poem whose title concept "drives [the speaker's] green age." In another poem by this author of "Our Eunuch Dreams", the speaker recalls when he was "green and carefree, famous among the barns," and "sang in [his] chains like the sea," "young and easy under the apple boughs." This author of "The Force that Through the Green Fuse Drives the Flower" wrote of wise men that know that their words "had forked no lightning" in a poem that urges "Rage, rage against the dying of the light". For 10 points, name this Welsh poet of "Fern Hill" and "Do not go gentle into that good night."
Output (English): Literature