Is the following statement true?
"Women's health doctors must study the Cervix."

Let me think out loud. The cervix is an important part of female anatomy. The answer is yes.

Is the following statement true?
"Kane remained a pivotal component of the company's Attitude Era of the late 1990s and early 2000s."

Let me think out loud. Following his WWF debut, Kanes appeared in more of such events than any other performer in WWF/WWE history. The answer is yes.

Yes / no, is the following a verifiable fact?
"Cyndi Lauper sounded like a man when she sang."
Let me think out loud. Cyndi Lauper was a successful woman singer and American voice actress. The answer is no.