Does the sentence "Glencore mentioned being aware of child miners who were part of a group of artisanal miners who had without authorisation raided the concession awarded to the company since 2010; Glencore has been pleading with the government to remove the artisanal miners from the concession." provide a valid answer to the question "What did Glencore admit to with regards to child labor?"

A: yes

Does the sentence "The society was renamed to ICTV for the start of the 2014/15 academic year." provide a valid answer to the question "When was the station renamed to it's modern name?"

A: yes

Does the sentence "Congress has the sole power to legislate for the United States." provide a valid answer to the question "What was the court case that struck down the line item veto?"

A: no

Does the sentence "The Thuringian primary school takes four years and most primary schools are all-day schools offering optional extracurricular activities in the afternoon." provide a valid answer to the question "How many years of school do students attend after primary?"

A:
no