Explanation and answer: Titanic (1997 film) is not about guant robots, it is about the sinking of the RMS Titanic in 1910.
no

The corresponding question: Yes / no, is the following a verifiable fact?
"Titanic describes a movie about giant robots that protect Tokyo against monsters."
Environmentalists lobbied for this day to be recognized.
yes
Is the following a factual statement?
"The Earth Day is a holiday in April observance with an active history in environmentalism."
Options:
- yes
- no
Explanation and answer: Besides being a contributor, the Emacs word processor was created by Richard Stallman.
yes

The corresponding question: Does the following sentence make sense?
"Richard Stallman contributed to the Emacs word processor project."
Options:
- yes
- no
This phone was offered in white, black, and grey.
yes
Is the following sentence factually correct?
"The Samsung Galaxy S II came in multiple colors."
Options:
- yes
- no
Explanation and answer: The Xiongu were on a different continent, Asia, from the South American Incans.
no

The corresponding question: Claim: "The Incans fought with the Xiongnu in a war in the Middle Ages."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
Explanation and answer: Lemon is a very sour and bitter fruit.
no

The corresponding question:
Is the following statement true?
"Lemon has a salty flavor to it."