Answer: The Sevenths mans view changes as time goes on many times in the story. At first he beileved that K had smiled at him in between the first and second wave. Then he starts remembering it a little less and doesn't look down on it as hard when he moves away.
The best way Kenya can determine wether the sites she finds are reliable sources is A. She can check if the sites have domains like .gov,.org or .edu in the URLs.
By carrying out her research in these sites, Kenya can guarantee that the information is reliable, objective and verified by the institution in charge of the site. She may not agree with the content, or she may not find exactly what she is looking for easily, but she will make a trustworthy research.