original_query: What elements did Pan praise in the song that expressed the vigor of Sakanaction?
query: What elements did Sakiko Okazaki praise in "Sen to Rei" that expressed the vigor of Sakanaction?
answer: Sakiko Okazaki praised the high-pitched synthesizers, fast-paced guitars, groovy bass, and heart-hitting drums in "Sen to Rei" as expressing Sakanaction's vigor.