CoT and answer: J.K Rowling wrote the Harry Potter series. Alan Rickman performed the role of Severus Snape throughout all 8 Harry Potter films.
yes
Do reverse engineering and find the question: Do many fans of J.K Rowling know who Alan Rickman is?
Solution: Robert Stack was an actor best known for Unsolved Mysteries which lasted for 14 seasons before being rebooted by Netflix. The Tower of London is a historic building in London. Unsolved Mysteries explored unexplained phenomenon and mysterious events. The heirs of Edward IV mysteriously vanished from the Tower of London in the 1400s and were presumed muredered.
Answer: yes
Question: Would Robert Stack have been interested in Tower of London during 1400s for his 14 season show?
Reasoning & answer: Dyscalculia is a learning disability in math. People with dyscalculia have trouble with math at many levels. Surveyors work with elements of geometry, trigonometry, regression analysis, physics, engineering, metrology, programming languages, and the law. Geometry and trigonometry are types of advanced mathematics.
no
Question: Would you hire someone with dyscalculia to do surveying work?
CoT and answer: Prussia was formally abolished in 1947. The Euro was introduced in 1992.
no
Do reverse engineering and find the question: Was the Euro used in Prussia?
Solution: In 2008 Britney Spears was detained in a psychiatric hospital for bipolar disorder. In 2007 Britney Spears shaved her head during a breakdown.
Answer: yes
Question: Is Britney Spears' breakdown attributed to bipolar disorder?
Solution: Swallowing disorders can make thin liquids like water dangerous to drink. Liquid thickeners are marketed towards people with difficulty drinking.
Answer: yes
Question:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Do people with swallowing disorders need high viscosity drinks?