[Q]: What is the question to: "Good Friday is a religious holiday observed primarily by Christians commemorating the crucifixion of Jesus Christ and his death at Calvary ."? The topic is Good Friday.
****
[A]: "What is the significance of Good Friday??"

input: Please answer the following: What is the question to: "Bongos (Spanish: bongo) are an Afro-Cuban percussion instrument ."? The topic is Bongo drum.
++++++++++
output: "what country are bongo drums from??"

Please answer this: What is the question to: ""World War Hulk" is a comic book crossover storyline that ran through a self titled limited series and various other titles published by Marvel Comics in 2007, featuring the Hulk ."? The topic is World War Hulk.
++++++++
Answer: "when is world war hulk movie come?"

Problem: What is the question to: "Vitamin A is needed by the retina of the eye in the form of retinal , which combines with protein opsin to form rhodopsin the light-absorbing molecule , that is necessary for both low-light ( scotopic vision) and color vision ."? The topic is Vitamin A.

A: "what is vitamin a for?"

Problem: Given the question: What is the question to: "Though best known for its customer relationship management (CRM) product, Salesforce has also expanded into the "social enterprise arena" through acquisitions."? The topic is Salesforce.com.
++++++++++++++++++++++++++++++++
The answer is:
"what does salesforce.com do??"

Problem: What is the question to: ""World War Hulk" is a comic book crossover storyline that ran through a self titled limited series and various other titles published by Marvel Comics in 2007, featuring the Hulk ."? The topic is World War Hulk.

A:
"when is world war hulk movie come?"