Information: - The International Council for Ski Mountaineering Competitions (ISMC) located in the "Floridablanca 84" in Barcelona was part of the Union Internationale des Associations d'Alpinisme (UIAA) and responsible for ski mountaineering and vertical race competitions. The ISMC, which was founded in 1999 as follow-up institution of the Comite International du Ski-Alpinisme de Competition (CISAC), merged into the International Ski Mountaineering Federation (ISMF) in 2008. - The Comite International du Ski-Alpinisme de Competition (CISAC) was the international committee of competition ski mountaineering and was founded in 1991. - A Vertical Race is a special kind of ski mountaineering without the typical downhill skiing after ascending. At the mountain running and climbing passages the runners have to carry their skis in their backpacks. Vertical Races for women and men are part of all international ski mountaineering competitions of the International Council for Ski Mountaineering Competitions (ISMC) as well as at many national competitions. The Union Internationale des Associations d'Alpinisme (UIAA)is working toward the goal of having Vertical Race become an Olympic discipline at the 2018 Winter Olympics, . - Ski mountaineering is a skiing discipline that involves climbing mountains either on skis or carrying them, depending on the steepness of the ascent, and then descending on skis. There are two major categories of equipment used, free-heel Telemark skis and skis based on Alpine skis, where the heel is free for ascents, but is fixed during descent. The discipline may be practiced recreationally or as a competitive sport. - The 2006 World Championship of Ski Mountaineering ( Italian : Campionato del Mondo di Scialpinismo 2006 ) was the third World Championship of Ski Mountaineering sanctioned by the International Council for Ski Mountaineering Competitions ( ISMC ) , held in the Italian Province of Cuneo from February 27 to March 4 , 2006 . The participating athletes were from 33 nations . Because the relay event for the '' Senior '' athletes had to be canceled to bad snow conditions , there was consequently no combined ranking . After reading the paragraphs above, we are interested in knowing the entity with which '2006 world championship of ski mountaineering' exhibits the relationship of 'sport'. Find the answer from the choices below. Choices: - climbing - running - ski mountaineering - skiing
The answer to this question is:
skiing