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: In what city did Rigden work as the Director of Physicas Programs? Passage:Rigden was editor of the American Journal of Physics from 1975 to 1985. In 1987, he joined the American Institute of Physics, where he served as Director of Physics Programs. In 1992, he was appointed Director of Development of the National Science Standards Project at the National Academy of Sciences. In 1995, he was elected chairman of the History of Physics Forum of the American Physical Society (of which he was a fellow). He also served on committees for the American Association of Physics Teachers, the American Physical Society, the American Association for the Advancement of Science (of which he was also a fellow), and the National Academy of Sciences. He served as a National Science Foundation (NSF) consultant to the country of India in 1968 and again in 1969. He was the United States Representative to the International Science Exhibition in Rangoon Burma in 1970. He was also a Fulbright Fellow to Burma in 1971 and to Uruguay in 1975.


b