Yes / no, is the following a verifiable fact?
"Harper Lee wrote the book To Kill a Mockingbird and it won the 1961 Pulitzer Prize."

Let me think out loud. 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 answer is yes.

Is the following statement true?
"LG Electronics helps your plants grow."

Let me think out loud. The products types are not related to plants. The answer is no.

Yes / no, is the following a verifiable fact?
"The Liberty Bell lies preserved in the Smithsonian Museum."
Let me think out loud. The Liberty Bell is in Philadelphia, not in Washington D.C. The answer is no.