YOU SAID:

What color is the vermilion chair's back when I need to go to the east restroom?

INTO JAPANESE

東側のトイレに行くときに使う朱色の椅子の背もたれは何色ですか？

BACK INTO ENGLISH

What color is the back of the vermilion chair you use when going to the toilet on the east side?

INTO JAPANESE

東側のトイレに行くときに使う朱色の椅子の背もたれは何色ですか？

BACK INTO ENGLISH

What color is the back of the vermilion chair you use when going to the toilet on the east side?