Does the sentence "The "Serum Run" is another sled dog race that more accurately follows the route of the famous 1925 relay, leaving from the community of Nenana (southwest of Fairbanks) to Nome." provide a valid answer to the question "Why were sled-dogs used to deliver medicine to Nome in 1925?"

A: no

Does the sentence "In birds, however, it is quite commonmore so than in any other vertebrate class." provide a valid answer to the question "True crows belong to what group?"

A: no

Does the sentence "Most domestic ducks are too heavy to fly, and they are social birds, preferring to live and move around together in groups." provide a valid answer to the question "What does the diet of cultivated ducks consistof ?"

A: no

Does the sentence "Apart from the United Nations headquarters, the Swiss Confederation is host to many UN agencies, like the World Health Organization (WHO), the International Labour Organization (ILO), the International Telecommunication Union (ITU), the United Nations High Commissioner for Refugees (UNHCR) and about 200 other international organisations, including the World Trade Organization and the World Intellectual Property Organization." provide a valid answer to the question "What does the ILO stand for?"

A:
yes