如下句子请帮忙翻译成英语

The colour of the sample is its nature colour,but now it was changed to brown by the factory themselves.Please inform us which colour you will adopt.

The original colour of the sample is that of the material. But the factory workers now have changed it into brown without our permission. Please inform us which you would like to prefer.

The plain sample is that natural colour, but factory now proper motion switches over to be brown. Inform you will adopt that colour please.

the original sample was natural color, but now the factor has changed the color to brown. please inform us the color that you will use.