In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.

Q: Question: What profession did Fritz Haber work in the year Barschall received his Ph.D? Passage:Barschall was born as Heinrich Hermann Barschall in Berlin, Germany; his father was a patent attorney who had received a Ph.D. in chemistry after studying with Nobel Laureates Emil Fischer and Fritz Haber. After beginning study in several universities in Germany, he emigrated to the United States in 1937 during the early Holocaust period; though raised as a Lutheran, he had some Jewish ancestry. He received his Ph.D. from Princeton University in 1940 under the direction of Rudolf Ladenburg; he also worked closely with John A. Wheeler. After a suggestion by Niels Bohr, he carried out in only a few days with fellow graduate student Morton H. Kanner the first demonstration of fission by fast neutrons and thorium and uranium. His thesis was on the interaction of fast neutrons with helium. In a paper with John A. Wheeler he reported the discovery of spin-orbit coupling in neutron scattering.


A: b
****
Q: Question: How long passed between the Potsdam Declaration and the San Francisco Peace Treaty signing? Passage:The Allied occupation of Japan at the end of World War II was led by General Douglas MacArthur, the Supreme Commander of the Allied Powers, with support from the British Commonwealth. Unlike in the occupation of Germany, the Soviet Union was allowed little to no influence over Japan. This foreign presence marks the only time in Japan's history that it has been occupied by a foreign power. At MacArthur's insistence, Emperor Hirohito remained on the imperial throne. The wartime cabinet was replaced with a cabinet acceptable to the Allies and committed to implementing the terms of the Potsdam Declaration, which among other things called for the country to become a parliamentary democracy. Under MacArthur's guidance, the Japanese government introduced sweeping social reforms and implemented economic reforms that recalled American "New Deal" priorities of the 1930s under President Roosevelt. The Japanese constitution was comprehensively overhauled and the Emperor's theoretically-vast powers, which for many centuries had been constrained by conventions that had evolved over time, became strictly limited by law. The occupation, codenamed Operation Blacklist, was ended by the San Francisco Peace Treaty, signed on September 8, 1951, and effective from April 28, 1952, after which Japan's sovereigntywith the exception, until 1972, of the Ryukyu Islands was fully restored.


A: b
****
Q: Question: During what year or years did the Anglo-Irish Treaty occur? Passage:After he qualified he travelled to Canada and during World War I he enlisted in the 19th Alberta Dragoons as a private and was commissioned to the Royal Marine Artillery. He had a distinguished military career and was awarded the Distinguished Service Order by the British Government and the Croix de Guerre. He had lost an eye and was badly wounded in both legs during his years at the front. His cousin, Robert Barton, had resigned as a British Officer after the 1916 Easter Rising and was elected as a Sinn Féin Teachta Dála at the 1918 general election for the West Wicklow constituency. His other cousin, Erskine Childers, used his yacht, the Asgard, to transport guns from Germany to Ireland on behalf of the Irish Volunteers. He too was a former British Army Officer that became more sympathetic with the cause of Irish independence after the events of the Rising. Robinson took an active part in the War of Independence in Wicklow. He opposed the Anglo-Irish Treaty and fought on the Republican side in the Civil War. He was present in Annamoe, County Wicklow when his cousin, Erskine, was arrested by Free State Troops and taken to Dublin which would result in his court-martial and execution. Robinson was himself arrested in 1922 and spent forty days on hunger strike during his eighteen months' internment in Mountjoy jail.


A:
b
****