...Great Lakes
...even divisors of 20
...books in the Torah
...countries crossed by the Nile
...cases in the German language
...elements with fewer protons than Boron
...states in New England
...stars closer to us than Proxima Centuari
...rivers in Saudi Arabia
...countries beginning with the letter V
...official languages of the UN
...years in 50 months
...vowels
...inches in 20 centimeters
...monarchies in South America
...people who have won at least 2 Nobel Prizes
...countries bordering Spain
...European OPEC countries
...faces in a dice
...American countries that have hosted the Olympic Games
...countries ending in “stan”
...countries crossed by the Tropic of Capricorn
...strings in a guitar
...capitals further south than Buenos Aires
...children of William, Prince of Wales
...teams that have won at least 10 NBA titles
...books in the Harry Potter saga.
...countries bordering the Baltic Sea
...players on a basketball team
...sides in a square
...teams that have won the UEFA Conference League
...time zones in Brazil
...countries on the island of Borneo
...cities hit by the atomic bomb
...colors on the flag of Seychelles
...lobes in the liver
...deadly sins
...presidents of the United States who have been killed
...legs in an ant
...Boroughs of New York City
...sports in the modern pentathlon
...founders of Rome