You will be given a context, a subject and a relation. Your task is to generate a question based on the subject and relation. The generated question should include the given subject. Try to use a minimum number of words that are not present in either context, subject or relation while generating question.

Ex Input:
Context : Since its launch in 2004, Avalon Waterways has christened 18 new ships in Europe. 
Subject : Avalon Waterways 
Relation : parent company

Ex Output:
What is Avalon Waterways's parent company?


Ex Input:
Context : The Russian government merged Tupolev with Mikoyan, Ilyushin, Irkut, Sukhoi, and Yakovlev as a new company named United Aircraft Corporation. 
Subject : Tupolev 
Relation : parent company

Ex Output:
What company is Tupolev part of?


Ex Input:
Context : San Pellegrino (also S. Pellegrino) is an Italian brand of mineral water, and assorted real-fruit sodas, with carbonation added by the bottler, produced and bottled by Nestlé Waters at San Pellegrino Terme, in the Province of Bergamo, Lombardy, Italy. 
Subject : San Pellegrino 
Relation : parent company

Ex Output:

What is San Pellegrino's parent company?