YOU SAID:
Please return your seats and tray tables to their full upright positions
INTO JAPANESE
あなたの座席とトレイテーブルを完全な直立姿勢に戻してください
BACK INTO ENGLISH
Please return your seat and tray table to full upright attitude
INTO JAPANESE
シートとトレイのテーブルを完全に直立姿勢に戻してください
BACK INTO ENGLISH
Please return the seat and the table of the tray completely upright posture
INTO JAPANESE
シートとトレイのテーブルを完全に直立姿勢に戻してください
BACK INTO ENGLISH
Please return the seat and the table of the tray completely upright posture
That didn't even make that much sense in English.