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

teks: After everything was settled, I submitted the report and presented. As usual, I congratulated everyone and thanked them for their contribution. I was amazed at how the international students thanked me and showed appreciation for my effort. The Malay student, on the other hand, not only had a sour face but also didn't even say a simple 'thanks'. They made a fuss about the easy part and then complained when asked to make a small adjustment. I didn't expect anything grand or bombastic, but a simple courteous 'thank you' isn't difficult. I don't understand people like this. Please appreciate someone's work even if it's just a little. At least they took the time and effort to do it.
sifat perkauman