Q:Information:  - Navigation is a field of study that focuses on the process of monitoring and controlling the movement of a craft or vehicle from one place to another. The field of navigation includes four general categories: land navigation, marine navigation, aeronautic navigation, and space navigation.  - Orienteering at the World Games is organized as an individual competition for both women and men, and a mix relay for teams of two men and two women.  - The World Games, first held in 1981, are an international multi-sport event, meant for sports, or disciplines or events within a sport, that are not contested in the Olympic Games. The World Games are organised and governed by the International World Games Association (IWGA), recognized by the International Olympic Committee (IOC). The World Games are held every four years, one year after the Summer Olympic Games. The next World Games will be held Wrocaw, Poland, in July 2017.  - Foot orienteering (foot-O) is the oldest formal orienteering sport, and the one with the most "starts" per year. Usually, a foot-O is a timed race in which participants start at staggered intervals, are individually timed, and are expected to perform all navigation on their own. The control points are shown on the orienteering map and must be visited in the specified order. Standings are determined first by successful completion of the course, then by shortest time on course.  - COMPASS is an acronym for "COMP"rehensive "ASS"embler. COMPASS is any of a family of macro assembly languages on Control Data Corporation's 3000 series, and on the 60-bit CDC 6000 series, 7600 and Cyber 70 and 170 series mainframe computers. While the architectures are very different, the macro and conditional assembly facilities are similar.  - A map is a symbolic depiction emphasizing relationships between elements of some space, such as objects, regions, or themes.  - The World Police and Fire Games (WPFG) is a biennial athletic event, open to active and retired law enforcement and fire service personnel throughout the world. The WPFG Federation is an arm of the California Police Athletic Federation (CPAF), an American non-profit organization.  - The International Orienteering Federation (IOF) is the international governing body of the sport of orienteering. The IOF head office is located in Karlstad, Sweden.  - Eesti Orienteerumisliit ( Estonian Orienteering Federation ) is the national Orienteering Federation of Estonia . It is recognized as the orienteering federation for Estonia by the International Orienteering Federation , it became a member on 27 September 1991 .  - An orienteering map is a map specially prepared for use in orienteering competitions. It is a topographic map with extra details to help the competitor navigate through the competition area.  - Orienteering is a group of sports that requires navigational skills using a map and compass to navigate from point to point in diverse and usually unfamiliar terrain, and normally moving at speed. Participants are given a topographical map, usually a specially prepared orienteering map, which they use to find control points. Originally a training exercise in land navigation for military officers, orienteering has developed many variations. Among these, the oldest and the most popular is foot orienteering. For the purposes of this article, foot orienteering serves as a point of departure for discussion of all other variations, but almost any sport that involves racing against a clock and requires navigation with a map is a type of orienteering. Orienteering is included in the programs of world sporting events including the World Games (see Orienteering at the World Games) and World Police and Fire Games.    After reading the paragraphs above, choose the best answer for the entity that related to 'eesti orienteerumisliit' with the relationship of 'instance of'.  Choices: - acronym  - area  - article  - assembly  - clock  - compass  - competition  - craft  - data  - event  - federation  - field of study  - fire  - group  - head  - law  - map  - navigation  - office  - order  - organization  - orienteering  - point  - police  - race  - series  - service  - sport  - terrain  - training  - two  - vehicle  - year
A:
organization