Oh , the ink is spilled on the desk .
neutral
user
Did it spill on your clothes ?
neutral
assistant
No , but the table cloth was dirty .
neutral
user
That's OK .
happiness
assistant
I'm afraid it's too hard to wash off the stain .
neutral
user
It's no big deal .
happiness
assistant
I really feel great shame . Let me buy a new one for you .
neutral
user
Don't be silly , forget about it .
happiness
assistant