You will be given a definition of a task first, then some input of the task.
In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.

Question: How long did Andrew Allen serve as the Attorney General of Pennsylvania? Passage:Allen was born into a prominent Philadelphia family. His father, William Allen, was a successful merchant and lawyer, and would later be the Chief Justice of the Supreme Court of Pennsylvania. Andrew graduated from the City College of Philadelphia (later the University of Pennsylvania) in 1759, read law under Benjamin Chew, and then went to London to complete a legal education at the Inner Temple. He returned to Philadelphia in 1765, was admitted to the bar, and began to practice law. That same year Allen was elected to the Pennsylvania Assembly. In 1766, he was appointed the colony's Attorney General. He married Sarah ("Sally") Coxe, sister of Tench Coxe, in April 1768. In 1770 his brother-in-law, Governor John Penn, gave him a seat on the Governor's Council.
Links: a. Pennsylvania Provincial Council b. Province of Pennsylvania c. Tench Coxe d. Inner Temple
Output:
b