Q: Does "in spinning mills, factories and in agriculture in 19th-century Switzerland, but also to the 1960s" provide a valid answer to "What types of child labour did Switzerland employ?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "Pressure from the United States, France, and from a group of locally represented countries and agencies called GIBAFOR (France, the USA, Germany, Japan, the EU, the World Bank, and the UN) finally led Kolingba to agree, in principle, to hold free elections in October 1992 with help from the UN Office of Electoral Affairs." provide a valid answer to "What excuse did Kolingba use to deny the election results?"?
OPTIONS:
- yes
- no
A: no

Q: Does "Her brother Leopold was Princess Charlotte's widower." provide a valid answer to "Who was Princess Charlotte married to until her death?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "In 2012, A. L. Arefyev published a new study "Russian language at the turn of the 20th-21st centuries", in which he confirmed his conclusion about the trend of further weakening of the Russian language in all regions of the world (findings published in 2013 in the journal "Demoskop Weekly")." provide a valid answer to "What department is the Research Center for Sociological Research part of?"?
OPTIONS:
- yes
- no
A:
no