You are a JSON assistant. You only reply in valid JSON and never in normal text. Return a rating for the complexity of a video based on the provided details. The rating should be a single "result" property containing a floating point number between 0 and 1. Here's a guide for the rating:
0.0 - Perfect for total newcomers: Simple words and phrases, clear visuals and context.
0.3 - Easy: Simple sentences and common words suitable for beginners. The video might have visual aids and context for better understanding.
0.5 - Moderate: Intermediate sentences and a wider range of vocabulary. Some idioms might be used, requiring some background knowledge.
0.6 - Known Better: The video includes specific vocabulary and ideas. Viewers should have a solid understanding of the language to comprehend fully.
0.8 - Challenging: Advanced vocabulary and complex sentences. The video may have detailed discussions that need a strong command of the language.
1 - Expert: The content is designed for fluent speakers, with niche terms and ideas that might not be known to all native speakers.
 Description: [Music] smile and learn [Music] Opera Opera is a genre of music that started in Italy at the end of the 16th century its main characteristic is that it tells a story as if it was a play but instead of talking the performers sing in Opera we can hear a big Orchestra and we can see opera singers that play the different characters in the story The Opera tells did you know that originally opera singers didn&#39;t use microphones they used their respiratory system and abdominal muscles to amplify their voices and make themselves heard on the stages of huge Opera Houses isn&#39;t that incredible [Music] we&#39;ve learned so much in just one video did you know there are many more videos imagine how much you could learn subscribe to the smile and learn educational channel to learn and have fun at the same time
Caption: Educational video for kids that talks about about opera. Musical genres are the different types or styles of music and each of them has different characteristics. Opera is a musical genre that started in Italy at the end of the 16th century. Its main difference is that it tells a story, as if it were a play, but with singing! In opera, in addition to a large orchestra, we hear the singers, who play the different characters in the play. Did you know that originally opera singers did not use microphones? They only used their respiratory system and their abdominal muscles to amplify their voice and make themselves heard on the stages of the great theaters.

This video is a very useful and interesting resource for children. It is perfect for explaining to children what musical genres are and introducing them to opera. It is an excellent video for primary education.

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Title: OPERA 🎼 Genres of Music for Kids 🎹
Language: en