YOU SAID:
the llama is dancing in pjs while eating donuts
INTO JAPANESE
ラマはドーナツを食べながらpjsで踊っています
BACK INTO ENGLISH
Lama is dancing with pjs while eating a donut
INTO JAPANESE
ラマはドーナツを食べながらpjsと一緒に踊っている
BACK INTO ENGLISH
Lama is dancing with pjs while eating a donut
You've done this before, haven't you.