Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

Input: Consider Input: Three of the Galilean moons of Jupiter are Io, Europa and Callisto. Which is the fourth?

Output: ganymede


Input: Consider Input: The Hoover Dam is on the border of Arizona and which other state?

Output: nevada


Input: Consider Input: Making their record debut in 1989, what were Squire, Mani, Reni and Brown collectively known as?


Output: the stone roses