Given the task definition and input, reply with output. In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it, i.e., the proper nouns in the passage. Your job is to determine whether information from more than one term is needed to answer the question. Indicate your choice as 'a' for Yes or 'b' for No.

Question: What was the age difference between the parents of Phillip Ludwell Lee Sr.? Passage:In the midst of this busy world, Thomas Lee and his wife Hannah Harrison Ludwell (170149) raised eight children, six sons and two daughters. They played important roles in shaping the early history of the nation. His eldest son, Philip Ludwell Lee Sr., Esquire (172775) inherited Stratford Hall. Richard Henry Lee (173294) and Francis Lightfoot Lee (173497) were delegates from Virginia to the Second Continental Congress, and signers of the Declaration of Independence. Richard Henry was later instrumental in guiding the fledgling nation, serving as President of Congress in 1784-85. Thomas Ludwell Lee, active in local politics, served as a Virginian legislator and helped compose the Virginia Declaration of Rights. William Lee (173995) and Dr. Arthur Lee (174092) were diplomats to England during the turbulent struggle for American independence. Hannah Lee was an early proponent of women's rights, and Alice Lee married the prominent physician William Shippen Jr. (1736-1808) of Philadelphia.
a