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: "who plays young ruth in never let me go?" whose answer is Ella Purnell.
Each document should contain about 30 words, and these documents should contain useful information.

Query: cast of Never Let Me Go young Ruth
Useful Output:

Doc 1: Never Let Me Go Has a Deep Cast ; Domnhall Gleason. Rodney ; Ella Purnell. Young Ruth C. ; Charlie Rowe. Young Tommy D. ; Isobel Meikle-Small. Young
Doc 2: Shortlisted for the Booker Prize in 2005, Never Let Me Go is the journey of three friends – Kathy (Carey Mulligan), Ruth (Keira Knightley)
Doc 3: The actors who played the three main characters in NEVER LET ME GO as adults (Carey Mulligan, Andrew Garfield, and Keira Knightley) as well
Doc 4: Cast & Crew · Carey Mulligan. Kathy · Andrew Garfield. Tommy · Keira Knightley. Ruth · Izzy Meikle-Small. Young Kathy · Ella Purnell. Young Ruth
Doc 5: Carey Mulligan, Keira Knightley, and Andrew Garfield star in this production that earned rave reviews from critics, scoring 71% on Rotten Tomatoes.