Q: Does "On April 12, 1861, forces of the South (known as the Confederate States of America or simply the Confederacy) opened fire on Fort Sumter, whose garrison was loyal to the Union." provide a valid answer to "When was Lincoln elected?"?
A: no

Q: Does "Certain substances in the atmosphere, chiefly cloud droplets and water vapor, but also carbon dioxide, methane, nitrous oxide, sulfur hexafluoride, and chlorofluorocarbons, absorb this infrared, and re-radiate it in all directions including back to Earth." provide a valid answer to "Along with water vapor, what atmospheric substance primarily absorbs the infrared emitted by the Earth?"?
A: yes

Q: Does "human families showed how family members use the dog as a resource, talking to the dog, or talking through the dog, to mediate their interactions with each other." provide a valid answer to "How do most people describe the relationship with their dogs?"?
A: no

Q: Does "Nasser mediated discussions between the pro-Western, pro-Soviet, and neutralist conference factions over the composition of the "Final Communique" addressing colonialism in Africa and Asia and the fostering of global peace amid the Cold War between the West and the Soviet Union." provide a valid answer to "What organization offered possible solutions Arab-Israeli conflict, which Nasser supported?"?
A:
no