Does the sentence "German quickly became the dominant language in Bohemia." provide a valid answer to the question "What language became dominant in Bohemia after the Czech's defeat?"

A: yes

Does the sentence "As of 2012[update], the HIV prevalence rate among adults ages 1549 was just 3.1 percent." provide a valid answer to the question "How much of Nigeria has HIV as of 2012?"

A: yes

Does the sentence "The middle belt of Nigeria contains the largest number of minority ethnic groups in Nigeria, who were found to be mostly Christians and members of traditional religions, with a small proportion of Muslims." provide a valid answer to the question "How many Nigerian Christians are Protestant?"

A: no

Does the sentence "Rocks brought down the Tamar from Dartmoor include ores containing tin, copper, tungsten, lead and other minerals." provide a valid answer to the question "What river was used to ferry granite from Dartmoor to Plymouth?"

A:
yes