Q--Is Thanksgiving sometimes considered a day of mourning?
A--My step-by-step reasoning: The Native American People in the United States were brutalized during the colonization period. Native Americans in the US often choose to mourn the genocide of their people on Thanksgiving.
So, the answer is yes.

Q--Can Lamborghini's fastest model win a race against a Porsche 911?
A--My step-by-step reasoning: Lamborghini's fastest model is the Lamborghini Aventador SVJ Roadster. The Lamborghini Aventador SVJ Roadster has a top speed of 217 MPH. The Porsche 911 has a top speed of 191 MPH.
So, the answer is yes.

Q--Can Larry King's ex-wives form a water polo team?
A--My step-by-step reasoning: Water polo is a sport played by teams of seven competitors. Larry King has seven ex-wives.
So, the answer is yes.

Q--Is Rurouni Kenshin from same country as lead character in Nobunaga's Ambition?
A--
My step-by-step reasoning: Rurouni Kenshin is a manga series that comes from Japan. Nobunaga's Ambition is a video game series based on the experiences of Oda Nobunaga. Oda Nobunaga was a Japanese feudal lord.
So, the answer is yes.