You will be given a definition of a task first, then some input of the task.
Based on the information present in the given passage, you need to write a correct answer to the given question. A correct answer is one that correctly and completely answers the question. Do not write answers that address the question partially or incorrectly. The correct answer must be contained in the given paragraph.

Paragraph- Sent 1: Reuters Holdings PLC said Michael Reupke resigned as general manager to pursue unspecified interests, a move the news organization termed an "amicable separation."Sent 2: Mr. Reupke, 52 years old and a 27-year Reuters veteran, had been the information-services company's general manager for only six months.
Sent 3: His appointment to that post, which has senior administrative, staff and policy responsibilities, followed a several-year tenure as Reuters's editor in chief.
Sent 4: No successor was named, and Mr. Reupke's duties will be split among three other senior Reuters executives, the company said.
Sent 5: In a telephone interview, Mr. Reupke said his departure was for "personal reasons," which he declined to specify.
Sent 6: "There is no business reason for my departure," nor any disagreement over policy, he added.
Sent 7: He also rejected reports that his departure stemmed from disappointment the general manager's post hadn't also led to a board directorship at the London-based news organization.
Sent 8: Mr. Reupke was one of three executives on Reuters's eight-person executive committee who didn't also serve on the company's board of directors.
Sent 9: "If I were choosing the people of tomorrow, I would have chosen the people who are now on the board," he said.
Sent 10: A Reuters spokesman said the departure reflects "no change in strategy or profits."Sent 11: Mark Shepperd, an analyst at UBS Philips & Drew in London, said, "I suspect (the departure) will be fairly irrelevant for the company.
Sent 12: I would be very surprised if his departure signals any change in strategy or change in profit expectations."Sent 13: On London's Stock Exchange, Reuters shares rose five pence to 913 pence ($14.43).
Sent 14: In the U.S. over-the-counter market, American depositary shares for Reuters, each representing three shares in the London market, closed unchanged at $43.875.
Sent 15: The senior of the three executives who will assume Mr. Reupke's duties is Nigel Judah, 58, finance director and a Reuters board director.
Sent 16: Peter Holland, 45, deputy general manager, becomes director of corporate affairs.
Sent 17: And Patrick Mannix, 46, international technical manager, becomes director of group quality programs. 
Question: Have all Reuters general managers: held positions on the board of directors, not held positions on the board of directors, or varied in whether they held positions on the board of directors?.
Output:
They have varied in whether they have held positions on the board of directors.