Definition: 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.
Input: Question: How many years did the Third Anglo-Afghan War last? Passage:Fawcus served during World War One and was promoted to the rank of lieutenant colonel in March 1915. He was made a member of the Order of St Michael and St George in the 1915 Birthday Honours. He was made a temporary colonel in April 1917. He awarded the Croix de guerre by France in June 1917. Throughout the course of the war, Fawcus was mentioned in dispatches six times. Following the war, he was promoted to the rank of brevet colonel in June 1919, and in the same year he served in the Third Anglo-Afghan War. He served as an assistant director-general at the War Office from June 1922–July 1926. He was appointed as the honorary physician to George V in January 1923, following the retirement of Sir Alfred Blenkinsop. He was promoted to the full rank of colonel in June 1926, with appointment in the same month as a deputy director-general at the War Office. He was promoted to the rank of major-general in October 1926. He was knighted in the 1928 Birthday Honours. He was appointed as the director-general of Army Medical Services in September 1929, at which point he was promoted to the rank of lieutenant-general. He was made a member of the Order of the Bath in the 1931 New Year Honours. Fawcus was presented with an honorary degree in civil law by Durham University in 1930. He served as the director-general of Army Medical Services until his retirement from active service in March 1934. Following his retirement he was replaced as the personal physician for George V by J. W. L. Scott. While serving as director-general, he won the General's Cup in golf at Sandwich in 1931.


b