classify text [harassment, self-harm, religion insult, sexist, hate, racist, safe for work, psychiatric or mental illness, porn], text `Going back to the original topic, my father, although just a village man who tapped rubber, lived during the Japanese occupation and only completed primary school up to grade 6, but was knowledgeable in the field of medicine.`, return in JSON {'kelas'}
{"kelas": "safe for work"}