question:Read the article and choose the best answer. Article: The Eiffel Tower is a wrought iron lattice tower located on the Champ de Marsin Paris, France. It was named after the engineer Gustave Eiffel, whose company designed and built the tower. Constructed in 1889 as the entrance to the 1889 World's Fair, it was initially criticized by some of France's leading artists and intellectuals for its design, but it has become a global cultural icon of France and is one of the most recognizable structures in the world. Question: Who designed and built the Eiffel Tower? Options: A: Gustave Eiffel's company B: France's leading artists and intellectuals C: No one knows for sure D: It was a collaborative effort between many engineers and designers.

question:The Lion King The Lion King is a 1994 American animated musical film produced by Walt Disney Feature Animation. The story follows a young lion named Simba who must reclaim his throne as king of the Pride Lands after his uncle Scar kills his father Mufasa. Having read that, I wonder who directed The Lion King?

question:Niagara Falls Niagara Falls is a group of three waterfalls located on the Niagara River, on the border between Ontario, Canada and the United States. The falls are a popular tourist attraction, with over 3 million visitors annually, and provide hydroelectric power to both countries. The falls consist of Horseshoe Falls, American Falls, and Bridal Veil Falls, with Horseshoe Falls being the largest and most famous. Having read that, I wonder how many waterfalls make up Niagara Falls?

question:The Berlin Wall was a physical barrier that divided the city of Berlin from 1961 to 1989. It was erected by the East German government and was a symbol of the Cold War. The wall was eventually torn down in 1989, leading to the reunification of Germany. Based on the previous passage, is it true that The Berlin Wall was built by the West German government? Yes, no, or maybe?