Does the sentence "Indifference to pain can also rarely be present from birth; these people have normal nerves on medical investigations, and find pain unpleasant, but do not avoid repetition of the pain stimulus." provide a valid answer to the question "IASP's definition of pain includes what aspect as an essential part?"

A: no

Does the sentence "He suspected that if any other contributor had written the piece it would not have been published and questioned her continued employment by the newspaper." provide a valid answer to the question "Who wrote critically in The Independent about Hopkins?"

A: no

Does the sentence "Geneva and the nearby French department of Ain co-host the world's largest laboratory, CERN, dedicated to particle physics research." provide a valid answer to the question "What research is CERN dedicated to?"

A: yes

Does the sentence "The Berlin International Film Festival, held yearly since 1951, is one of the world's foremost film and cinema festivals." provide a valid answer to the question "How often is the Berlin International Film Festival held?"

A:
yes