You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "How many acts were in the opera that was the first performance at the New Theatre?" whose answer is three.
Each document should contain about 30 words, and these documents should contain useful information.

Query: number of acts in The Monstrous Child opera
Useful Output:

Doc 1: The Monstrous Child: Norse hell in the depths of the Royal Opera House ; Dodging the executioner's axe: Șerban's Turandot returns. Mark Pullinger
Doc 2: The Monstrous Child is young composer Gavin Higgins' operatic debut  There was a considerable amount of colour and scope
Doc 3: Gavin Higgins' The Monstrous Child is based upon the book by Francesca Simon, who extracted the libretto from her bestselling teen novel.
Doc 4: The Monstrous Child is a new opera that's well-crafted and lovingly staged. If Act I struggles slightly to get beyond witty snark and repartee, then Act II
Doc 5: The Monstrous Child is a remarkable operatic debut for Higgins: witty, distinctive, and beauti- ful. The Royal Opera House's new Linbury.