YOU SAID:
mum is sitting next to me on her computer
INTO JAPANESE
母は彼女のコンピューターで私の隣に座っています
BACK INTO ENGLISH
Mother is sitting next to me at her computer
INTO JAPANESE
母は彼女のコンピューターで私の隣に座っています
BACK INTO ENGLISH
Mother is sitting next to me at her computer
Well done, yes, well done!