instruction:
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.
question:
Question: Who was the first commander of the military unit Cyril Isaac served in during world war 1? Passage:He was born in Brunswick to Congregationalist minister Abraham Isaac and Mary Judd. He attended state schools and became a schoolteacher, working for the Victorian Education Department from 1900. On 3 September 1907 he married Elizabeth Brown, with whom he had four children. In 1913 he was appointed a supervisor of school gardening, and pioneered several early initiatives in this area. During World War I he served with the 58th Battalion, and after the war he spent time in England studying horticulture. He ran a nursery at Noble Park from 1922. From 1928 to 1931 and 1937 to 1940 he was a member of Dandenong Shire Council, and he was also chairman of Associated Nurseries Pty Ltd from 1932 to 1965 and president of the Nurserymen and Seedsmen's Association from 1936 to 1937. In 1940 he was elected to the Victorian Legislative Council as a United Australia Party member for South Eastern Province. While in the Council he ran a Save the Forests campaign, which evolved into the National Resources Conservation League in which Isaac played a leading role. He lost Liberal and Country Party endorsement in 1952 and was defeated running as an independent candidate. In 1956 he was appointed an Officer of the Order of the British Empire. Isaac died at Footscray in 1965.

answer:
b


question:
Question: Did Brown work longer as Director of player personnel for the Battlehawks or Vice President of Football Operations for the Iron? Passage:Theotis "Trey" Brown, III (born March 1, 1985) is a former American football cornerback who is currently the Director of Player Personnel for the St. Louis BattleHawks. Prior to being hired by the XFL, Brown served as the Executive Vice President of Football Operations for the Birmingham Iron of the Alliance of American Football. Prior to the AAF, Brown spent 9 years in the National Football League as a scout/executive. From 2010 to 2012, he was a scout with the New England Patriots. Then, from 2013 to 2018, he was with the Philadelphia Eagles in a variety of capacities including the Director of College Scouting from 2016-2018. As a player, he was signed by the Chicago Bears as an undrafted free agent in 2009. He played college football at UCLA. He also played for the New York Sentinels. He is the son of former NFL running back Theotis Brown.

answer:
a


question:
Question: What is the length of the interstate where KTVT originally operated? Passage:Channel 11, as KFJZ-TV, first signed on the air at 2:30 p.m. on September 11, 1955, after a launch ceremony culminating in Fort Worth oilman Sid Richardson flipping the ceremonial switch to activate the transmitter. It was the first independent station to sign on in Texas, the fourth television station to sign on in the Dallas–Fort Worth Metroplex (after NBC affiliate WBAP-TV (channel 5, now KXAS-TV), which signed on the air on September 29, 1948; ABC affiliate KBTV (channel 8, now WFAA), which debuted on September 17, 1949; and CBS affiliate KRLD-TV (channel 4, now Fox owned-and-operated station KDFW), which debuted on December 3, 1949), and the first to debut in the market since the FCC's 1952 lifting of a four-year freeze on new applications for television station licenses. Originally, Channel 11 maintained a 9½-hour per day programming schedule, starting with its sign-on at 2:30 p.m. and concluding at its midnight sign-off. The station originally operated from facilities at 4801 West Freeway (in the present-day location of Interstate 30) in Fort Worth.

answer:

b