CoT and answer: Manipulations of the neck can lead to complications such as stroke or paralysis. Manipulation of the lower back can lead to herniated disks.
yes
Do reverse engineering and find the question: Are some chiropractic manipulations dangerous?

Solution: The current African nations of Angola, Guinea-Bissau and Mozambique participated in the the Portugese Colonial War. The Portugese Colonial War was a decisive struggle in Lusophone Africa. Lusaphone countries are those that include Portugese as an official language.
Answer: yes
Question: Do all of the African regions that participated in the Portugese Colonial War share an official language?

Reasoning & answer: Manuel I was King of Portugal from 1495 to 1521. Manuel I of Portugal married Maria of Aragon. Maria of Aragon was the sister of Catherine of Aragon. Catherine of Aragon was the first wife of Henry VIII and was one of a handful that he did not behead.
yes
Question: Did King of Portuguese people in 1515 have familial ties to the Tudors?

CoT and answer: Julia Roberts played the clarinet in her school band. Blast beats are a drum beat that originated in hardcore punk and grindcore, and is often associated with certain styles of extreme metal, namely black metal and death metal.
no
Do reverse engineering and find the question: Did Julia Roberts practice blast beats as a child?

Solution: Hydrogen is the first element and has an atomic number of one. To square a number, you multiply it by itself. The Spice Girls has five members.
Answer: no
Question: Hydrogen's atomic number squared exceeds number of Spice Girls?

Solution: In areas where professional medical abortions are illegal, women get unsafe illegal abortions from unlicensed practitioners. Women have successfully aborted their own children through physical or chemical means for centuries.
Answer: no
Question:
Is there any absolute way to prevent abortion?