Q: Would Recep Tayyip Erdogan be unfamiliar with borek?
A: Turkey enjoys a wide variety of regional variations of borek among the different cultures and ethnicities composing it. Borek is very popular in the cuisines of the former Ottoman Empire, especially in North Africa and throughout the Balkans. Recep Tayyip Erdogan is the current president of Turkey and he was born and raised there.
The answer is no.

Q: Could Sainsbury's buy Tesco?
A: Sainsbury is a business worth 29.007 billion in 2019. Tesco is a business worth 63.911 billion in 2019. 63 billion is more than 29 billion. A business needs to have enough revenue to buy another business.
The answer is no.

Q: Is the tongue part of a creature's head?
A: A creature's tongue is inside its mouth. A creature's mouth is part of its head.
The answer is yes.

Q: Can a software engineer work during a power outage?
A:
Software engineers require computers to do their work. Computers do not work without electricity. A power outage is the temporary lack of electrical power.
The answer is no.