classify text [gangguan, kebencian, porno, penyakit psikiatri atau mental, sifat perkauman, penghinaan agama, selamat untuk bekerja, mencederakan diri sendiri, seksis]

teks: Here, I used to work with a Chinese company. I also learned to fight against Chinese racist attitudes by mastering Chinese language skills up to 50%., return JSON {'kelas'}
{"kelas": "sifat perkauman"}