Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Ex Input:
Context : In 2008, the Institut National d'Horticulture et de Paysage merged with École nationale supérieure agronomique de Rennes to form Agrocampus Ouest. 
Answer : Agrocampus Ouest

Ex Output:
By what was Institut National d'Horticulture et de Paysage replaced?


Ex Input:
Context : Marian Clită (born September 1951) is a Romanian convicted of first degree murder. 
Answer : murder

Ex Output:
For what crime was Marian Clită prosecuted?


Ex Input:
Context : DB Fernverkehr AG (German for ``DB Long-distance Traffic'') is a semi-independent division of Deutsche Bahn that operates long-distance passenger trains in Germany. 
Answer : Deutsche Bahn

Ex Output:

Which company is the parent company of DB Fernverkehr?