Premise: Vice Admiral Sir Timothy James Hamilton Laurence {'1': ", '2': ", '3': ", '4': "} (born 1 March 1955) is a retired British naval officer and the second husband of Princess Anne, the only daughter of Queen Elizabeth II and Prince Philip. Laurence was Equerry to the Queen from 1986 to 1989.
Hypothesis: Laurence was in the Navy 1986-1989.