Q--Are banana trees used by judges for maintaining order?
A--My step-by-step reasoning: A banana tree has seeds that only have one embryonic leaf and is called a monocot. Judges use gavels to maintain order in court. Gavels are made of hardwood. Hardwood comes from dicot trees. Oak, maple, and sycamore are dicot trees.
So, the answer is no.

Q--Is it unusual to eat spaghetti without a fork?
A--My step-by-step reasoning: Spaghetti noodles are long and thin, they are difficult to scoop and must be twirled. Spaghetti is never served in a restaurant without a fork.
So, the answer is yes.

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--Has Aretha Franklin ever collaborated with a suicidal person?
A--
My step-by-step reasoning: Donny Hathaway was a singer and session musician that worked with Staple Singers, Jerry Butler, Aretha Franklin, the Impressionsand Curtis Mayfield. Donny Hathaway jumped from his 15th floor room and his death was ruled a suicide.
So, the answer is yes.