In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

The vocal part in the sixth movement is given with the instruction "without regard for the tempo," and that movement is labeled "Farewell. " Its first section contains the repeated line "Dark is life, is death," and features a tenor singing in his upper ranges. Movements of this piece include "Of Youth," "Of Beauty," and "The Lonely Soul in Autumn," while its first takes its name from the drunken poems of a certain poet. FTP, name this work that contains the movement "The Drinking Song of Earth's Miser," a song cycle by Gustav Mahler partly based on the poetry of Li Po.
Fine Arts

"Toy" and "toe" are two orthologs of the PAX6 gene in Drosophila named for their influence on the development of these structures. In insects and millipedes, these structures are made of clusters of hexagonal ommatidia, and rhodopsin is a pigment found in these organs. The(*) hyaloid canal passes through the vitreous humor in this organ, and rods and cones are specialized neurons found in the retina in this organ. For 10 points, name this organ in which the iris controls the passage of light through the pupil and toward the lens.
Social Science

In a 1973 text, a philosopher argued that this theory produces the wrong "sort of considerations...into finding the answer" to problems posed by the examples of "Jim and the Indians" or "George and the arms manufacturers." Another objection to this theory is that it allows "no rest." In an adversarial collaboration with J.J.C. Smart, Bernard Williams stated that the day when people stop discussing this theory "cannot be too far off," and advanced the "integrity objection" to it. The fact that, for a population of at least 10 billion, there could exist some larger population whose sum-total existence would be better even though individuals had lives barely worth living is a simple formulation of Derek Parfit's counterexample to this theory dubbed the "repugnant conclusion." For 10 points, name this ethical system under which a person facing the trolley problem should switch the track to kill one person instead of many, because that choice reduces total suffering.

Social Science