Does the sentence "This time however, Athanasius simply left for the outskirts of Alexandria, where he stayed for only a few months before the local authorities convinced Valens to retract his order of exile." provide a valid answer to the question "Who convinced Valens to let him return to Alexandria?"

A: yes

Does the sentence "However, in other locations such as Australia, humans are thought to have played a very significant role in the extinction of the Australian megafauna that was widespread prior to human occupation." provide a valid answer to the question "What does evidence suggest hunting may have been a factor in the extinction of?"

A: no

Does the sentence "The latter especially expanded rapidly in their early years under the guidance of Bernard of Clairvaux (d. 1153)." provide a valid answer to the question "When did Bernard of Clairvaux die?"

A: yes

Does the sentence "Darwin and Wallace made variation among individuals of the same species central to understanding the natural world." provide a valid answer to the question "What does Darwin theorize about different species with regard to variety?"

A:
no