Does the sentence "Entrants are not seeded, although a system of byes based on league level ensures higher ranked teams enter in later rounds - the minimum number of games needed to win the competition ranges from six to fourteen." provide a valid answer to the question "What league can compete?"

A: no

Does the sentence "John's second wife, Isabella of Angouleme, left England for Angouleme soon after the king's death; she became a powerful regional leader, but largely abandoned the children she had had by John." provide a valid answer to the question "How many legitimate children did John have?"

A: no

Does the sentence "While some, like Spencer, used analogy from natural selection as an argument against government intervention in the economy to benefit the poor, others, including Alfred Russel Wallace, argued that action was needed to correct social and economic inequities to level the playing field before natural selection could improve humanity further." provide a valid answer to the question "Who believed that action needed to be taken to level out the social and economic playing field before natural selection could occur to improve humanity?"

A: yes

Does the sentence "In their attempt to ensure white supremacy decades after emancipation, in the early 20th century, most southern states created laws based on the one-drop rule, defining as black, persons with any known African ancestry." provide a valid answer to the question "What was the rule used in law in the 1900s called?"

A:
yes