Does sushi have regional variation if so please please please give examples

It can be made with different fillings, such as tuna, crab meat, avocado, mayonnaise, cucumber or carrots. Examples of variations include the rainbow roll (an inside-out topped with thinly sliced maguro, hamachi, ebi, sake and avocado) and the caterpillar roll (an inside-out topped with thinly sliced avocado).

Answer the above statement is (false) the correct answer is linear villages;

Well, a and b together would be negative. b alone would also be negative.