You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who was serving as president of u.s. 1946?" whose answer is Harry S. Truman.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who was the president of the us in 1946
Useful Output:

Doc 1: Donald John Trump was born in Queens, New York, on June 14, 1946. His father, Fred Trump was a successful real estate developer.
Doc 2: By the summer of 1946, President Harry S. Truman needed a vacation. Catapulted into the presidency by the sudden death of Franklin D. Roosevelt in April 1945.
Doc 3: Gerald Ford became the first vice president to be nominated by the president and confirmed by the Congress pursuant to the Twenty-fifth Amendment. Ford took the
Doc 4: Welcome to the White House Gift Shop, established in 1946 by permanent order of President Harry S. Truman and U.S. Secret Service Officers.
Doc 5: On July 6, 1946, George Walker Bush—the son of 41st U.S. President George Herbert Walker Bush—is born in New Haven, Connecticut. George W. Bush went on to