Title: Anti-aircraft warfare.
Question: When do some people believe that lasers can play a more prominent role in air defence?

Title: Elizabeth II.
Question: Aside from her choice of Eden's successor, what crisis caused Elizabeth to be criticized?

Title: Dog.
Question: Grapes, raisins, onions, garlic and what common sugar alcohol (sweetener) is toxic to dogs?

Title: Czech language.
Question:
How did old Czech allow some complex consonant clusters to be pronounced?