Give the rationale and then the answer. Yes / no, is the following a verifiable fact?
"Harper Lee wrote the book To Kill a Mockingbird and it won the 1961 Pulitzer Prize."
The sentence is true because on the cover of the book, her name is written in the place of the author. There is tangible evidence that can prove the claim is true. A quick Google search and one can easily find that Lee won the Pulitzer Prize in 1961. The final answer: yes.