Does the sentence "Late Registration sold over 2.3 million units in the United States alone by the end of 2005 and was considered by industry observers as the only successful major album release of the fall season, which had been plagued by steadily declining CD sales." provide a valid answer to the question "How many copies of Late Registration were sold in the United States?"

A: yes

Does the sentence "Epistemological idealism is the view that reality can only be known through ideas, that only psychological experience can be apprehended by the mind." provide a valid answer to the question "What branch of idealism believes that we can only know the real world via ideas?"

A: yes

Does the sentence "The United States abolished slavery without compensation to slaveholders or reparations to freedmen." provide a valid answer to the question "The US abolished slavery without giving what to slave owners?"

A: yes

Does the sentence "In the Middle Ages, several powerful Somali empires dominated the regional trade including the Ajuran Sultanate, which excelled in hydraulic engineering and fortress building, the Sultanate of Adal," provide a valid answer to the question "What state did Adal conquer?"

A:
no