Accident classification is a standardized method by which the causes of an accident, including the root causes, are grouped into categories.
 Accident classification is mainly used in aviation but can be expanded into other areas, such as railroad or health care.
 While accident reports are very detailed, the goal of accident classification is to look at a broader picture.
 By analysing a multitude of accidents and applying the same standardized classification scheme, patterns in how accidents develop can be detected and correlations can be built.
 The advantage of a standardized accident classification is that statistical methods can be used to gain more insight into accident causation.
The Snake (蛇) is one of the 12-year cycle of animals which appear in the Chinese zodiac and related to the Chinese calendar, as well as in related East Asian zodiacal or calendrical systems.
 The Year of the Snake is associated with the Earthly Branch symbol .
Climate classification systems are ways of classifying the world's climates.
 A climate classification may correlate closely with a biome category, as climate is a major influence on biological life in a region.
 The most popular classification scheme is probably the Köppen climate classification scheme.
PhySH, an abbreviation for Physics Subject Headings, is a classification scheme developed by the American Physical Society (APS) as an universal classification scheme covering all branches of physics including astronomy, quantum computation, and physics education.
 This scheme has been unveiled in January 2016.
 It substitutes the previous Physics and Astronomy Classification Scheme (PACS) of the American Institute of Physics (AIP) and is currently the working tool for all journals of APS and all scientific Conferences and Meetings called by APS.
In particle physics, the quark model is a classification scheme for hadrons in terms of their valence quarks—the quarks and antiquarks which give rise to the quantum numbers of the hadrons.
 The quark model underlies "flavor SU(3)", or the "Eightfold Way", the successful classification scheme organizing the large number of lighter hadrons that were being discovered starting in the 1950s and continuing through the 1960s.
 It received experimental verification beginning in the late 1960s and is a valid effective classification of them to date.
 The quark model was independently proposed by physicists Murray Gell-Mann, and
The Chinese zodiac is a classification scheme that assigns an animal and its reputed attributes to each year in a repeating 12-year cycle.
 The 12-year cycle is an approximation to the 11.86-year orbital period of Jupiter, the largest planet of the solar system.
 It and its variations remain popular in several East Asian countries including China, Korea, Japan, and Mongolia, as well as in other Asian countries like Vietnam, Burma, Nepal, Bhutan, Sri Lanka, Cambodia, Laos and Thailand, along with the Buddhist calendar.
 According to the Chinese zodiac, 2017 is the year of the Rooster.
The Dunham classification system for carbonate sedimentary rocks was originally devised by Robert J. Dunham in 1962, and subsequently modified by Embry and Klovan in 1971 to include coarse-grained limestones and sediments that had been organically bound at the time of deposition.
 The "modified Dunham Classification" has subsequently become the most widely employed system for the classification of carbonate sedimentary rocks with 89% of workers currently adopting this system over the alternative Folk classification scheme
A Faceted classification is a classification scheme used in organizing knowledge into a systematic order.
 A faceted classification uses semantic categories, either general or subject-specific, that are combined to create the full classification entry.
 Many library classification systems use a combination of a fixed, enumerative taxonomy of concepts with subordinate facets that further refine the topic.
Under the British and Imperial classification scheme of locomotive axle arrangements, which is related to the UIC classification, 1Co+Co1 is a classification code for a locomotive wheel arrangement of two eight-wheeled bogies with an articulated inter-bogie connection, each with three axles powered by a separate traction motor per axle and with the fourth non-powered axle in an integral leading pony truck to reduce the axle load.
 The similar 1Co-Co1 classification is in the same axle configuration, but without the inter-bogie connection.
The Baumann Skin Types system is a skin-type classification system defining 16 skin personalities.
 This classification system was developed in 2004 by University of Miami dermatology professor Leslie Baumann, to subdivide research participants into specific phenotypes.
 She assigns binary values to four characteristics, so defining sixteen "skin personalities", or "skin types".
 These have been used in genetic research aimed at identifying the genes that contribute to skin characteristics such as dryness, oiliness, aging, pigmentation and sensitivity.
 The a survey-based typing system combines these individual skin attributes into 16 personalities that allow researchers to improve their ability to identify various skin phenotypes and use that knowledge for patient selection for clinical research trials and to recommend proper skincare ingredients and products.
 The classification system has been adopted by estheticians, dermatologists, consumers and retailers to match cosmeceutical ingredients and skin care products to specific skin types.
 The type assigned is determined by a self-completed questionnaire, marketed as the "Baumann Skin Type Indicator" (BSTI).

Question: Which classification scheme that assigns an animal and its reputed attributes to each year does the snake appear in?
Answer: Chinese zodiac