Passage: Read the given passage carefully and answer the questions that follow. K-pop, short for Korean pop music, is a popular music genre from South Korea. It has become famous all around the world. K-pop groups are known for their catchy songs, cool dance moves, and stylish fashion. Some popular K-pop groups include BTS, BLACKPINK, and EXO. These groups have millions of fans who love their music and follow their activities closely. K-pop idols, or performers, often train for many years before they debut. They work hard to perfect their singing, dancing, and overall performance skills. K-pop music videos are colourful and full of energy, making them fun to watch. Fans of K-pop, called 'K-pop stans', often support their favourite idols by buying albums, attending concerts, and voting for them in various awards. K- pop has a huge presence on social media, where fans from different countries come together to share their love for the music and the artists, creating a global community. Question: Identify the tone of the passage.

1. The author's tone is indifferent.
2. The author's tone is sceptical.
3. The author's tone is enthusiastic.
4. The author's tone is dismissive.