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: "On what channel does the children's program for which Arkady Ostrovsky wrote the lullaby air on?" whose answer is Carousel channel.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Arkady Ostrovsky lullaby children's program channel
Useful Output:

Doc 1:  Arkady Ostrovsky Music performance and piano-solo-arrangement © Leiki  is a long-running Russian-language children's television program.
Doc 2: Lullaby, from “Good Night, Little Ones”, by Arkady Ostrovsky, arr. Mariia Cosmi. Performed on April 1, 2017, by Mariia Cosmi, at the John J.
Doc 3: Author Arkady Ostrovsky describes Vremya as the Russian news equivalent of “a lullaby.” Russian President Vladimir Putin congratulates
Doc 4:  lullaby of Good Night, Little Ones, the children's TV program aired for nearly 60 years, most famous rendition sung by Oleg Anofriyev. Arkady Ostrovsky. Born.
Doc 5:  lullaby of Good Night, Little Ones, the children's TV program aired for nearly 60 years, most famous rendition sung by Oleg Anofriyev.  https://www.youtube