Task: Question Generation
Input (English): Context : The Dutch Top 40 is one of the three official charts in the Netherlands, the other two being the Single Top 100, which is based entirely on sales and streaming and the Mega Top 50 (3FM) which, like the Dutch Top 40 also includes airplay data. 
Subject : Dutch Top 40 
Relation : original network
Output (English): Which was the network that originally hosted Dutch Top 40?