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

teks: Please improve the public transportation system in the Klang Valley area, especially since there are many places without access to public transportation, particularly buses, and the schedules are often inaccurate., return JSON {'kelas'}
{"kelas": "selamat untuk bekerja"}