Q: Does "On 27 August, 67th Fighter Squadron aircraft mistakenly attacked facilities in Chinese territory and the Soviet Union called the UN Security Council's attention to China's complaint about the incident." provide a valid answer to "Why did the Soviet Union complain about the action of the US to the UN Security Council?"?
A: yes

Q: Does "The black-body problem was revisited in 1905, when Rayleigh and Jeans (on the one hand) and Einstein (on the other hand) independently proved that classical electromagnetism could never account for the observed spectrum." provide a valid answer to "What name did Paul Ehrenfest give to the proofs from Einstein and Rayleigh & Jeans?"?
A: no

Q: Does "One HP-LED can often replace an incandescent bulb in a flashlight, or be set in an array to form a powerful LED lamp." provide a valid answer to "What can one high-power LED replace?"?
A: yes

Q: Does "Habituation and operant conditioning techniques have been used to assess infants' recognition memory and the deferred and elicited imitation techniques have been used to assess infants' recall memory." provide a valid answer to "How can a researcher study a childs memory?"?
A:
yes