YOU SAID:

My very elderly mother just sat up on pluto

INTO JAPANESE

私の非常に年上の母親はちょうどpl王星に座った

BACK INTO ENGLISH

My very older mother just sat on Pl Pl

INTO JAPANESE

私の年上の母はちょうどPl Plに座っていた

BACK INTO ENGLISH

My older mother just sat in Pl Pl

INTO JAPANESE

私の年上の母はちょうどPl Plに座っていた

BACK INTO ENGLISH

My older mother just sat in Pl Pl