Does the sentence "The victorious great powers also gained an acknowledgement of their status through permanent seats at the League of Nations Council, where they acted as a type of executive body directing the Assembly of the League." provide a valid answer to the question "What organiztion acted as acknowledgement of status of great powers?"

A: yes

Does the sentence "In 1956, the company demonstrated the first practical example of artificial intelligence when Arthur L. Samuel of IBM's Poughkeepsie, New York, laboratory programmed an IBM 704 not merely to play checkers but "learn" from its own experience." provide a valid answer to the question "In 1956 the company demonstrated the first example of what?"

A: yes

Does the sentence "For example, "Strep throat" is often diagnosed within minutes, and is based on the appearance of antigens made by the causative agent, S. pyogenes, that is retrieved from a patients throat with a cotton swab." provide a valid answer to the question "What is the causative agent of "strep throat"?"

A: yes

Does the sentence "AA defences improved by better use of radar and searchlights." provide a valid answer to the question "How were AA defenses improved?"

A:
yes