Scientific American (informally abbreviated SciAm) is an American popular science magazine. Many famous scientists, including Albert Einstein, have contributed articles in the past 170 years. It is the oldest continuously published monthly magazine in the United States(though it only became monthly in 1921).
Can we infer the following?
 Albert Einstein contributed to the Scientific American in his time. 

Select from the following.
 (A). Yes
 (B). It's impossible to say
 (C). No
The answer is:
(A).