Problem: Which WWI battle occurred on a peninsular south of Istanbul in Turkey?
Answer: gallipoli

Problem: The nuclear disaster site at Chernobyl, to which tourist visits begin/began in 2011, is in which country?
Answer: ukraine

Problem: The airport of Arrecife serves which of the Canary Islands?
Answer: lanzarote

Problem: What was the first product advertised on British TV?
Answer:
toothpaste