Does the sentence "Shia on the other hand believe that the true political as well as religious successor is Ali ibn Abi Talib, husband of the Prophet's daughter Fatimah (designated by the Prophet)." provide a valid answer to the question "Who was Abu Bakr?"

A: no

Does the sentence "The first mammals also appeared during the Mesozoic, but would remain smallless than 15 kg (33 lb)until the Cenozoic." provide a valid answer to the question "When mamals appeared they remained small until what period?"

A: yes

Does the sentence "Her mother was at a loss to explain her medical condition, and often began to cry when Madonna questioned her about it." provide a valid answer to the question "Which disease did her mother passed away from?"

A: no

Does the sentence "The western coast of Australia had been discovered for Europeans by the Dutch explorer Willem Jansz in 1606 and was later named New Holland by the Dutch East India Company, but there was no attempt to colonise it." provide a valid answer to the question "Who discovered Australia in 1606?"

A:
yes