Question: Precisely as white racists feared, desegregation encouraged interracial unions.
Desegregation caused a 100% increase in interracial marriages.

Answer: it is not possible to tell

Question: Oh, Julius, isn't he just a duck?
Isn't he just a fish?

Answer: no

Question: West of Alexandria, civilization gives way to empty desert except along the coast, where the late 1990s saw a building boom.
There is no civilization in Alexandria.

Answer:
no