Detailed Instructions: 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.
Problem:Context : Vueling Airlines, S.A. (styled as Vueling, Spanish pronunciation: (bwelin); BMAD: VLG) is a Spanish low-cost airline based at El Prat de Llobregat in Greater Barcelona with hubs in Barcelona-- El Prat Airport and Leonardo da Vinci--
Subject : Vueling
Relation : parent company
Solution:
Which company is the parent company of Vueling?